7.5
HIGH CVSS 3.1
CVE-2026-40164
jq: Algorithmic complexity DoS via hardcoded MurmurHash3 seed
Description

jq is a command-line JSON processor. Before commit 0c7d133c3c7e37c00b6d46b658a02244fdd3c784, jq used MurmurHash3 with a hardcoded, publicly visible seed (0x432A9843) for all JSON object hash table operations, which allowed an attacker to precompute key collisions offline. By supplying a crafted JSON object (~100 KB) where all keys hashed to the same bucket, hash table lookups degraded from O(1) to O(n), turning any jq expression into an O(n²) operation and causing significant CPU exhaustion. This affected common jq use cases such as CI/CD pipelines, web services, and data processing scripts, and was far more practical to exploit than existing heap overflow issues since it required only a small payload. This issue has been patched in commit 0c7d133c3c7e37c00b6d46b658a02244fdd3c784.

INFO

Published Date :

April 14, 2026, 12:16 a.m.

Last Modified :

July 10, 2026, 12:16 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-40164 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Jqlang jq
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Solution
Update jq to patch CPU exhaustion vulnerability from crafted JSON payloads.
  • Update jq to version after commit 0c7d133c3c7e37c00b6d46b658a02244fdd3c784.
  • Avoid processing untrusted JSON input with vulnerable jq versions.
  • Ensure CI/CD and data processing scripts use updated jq.
Public PoC/Exploit Available at Github

CVE-2026-40164 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-40164.

URL Resource
https://github.com/jqlang/jq/commit/0c7d133c3c7e37c00b6d46b658a02244fdd3c784
https://github.com/jqlang/jq/security/advisories/GHSA-wwj8-gxm6-jc29
https://access.redhat.com/errata/RHSA-2026:16252
https://access.redhat.com/errata/RHSA-2026:16692
https://access.redhat.com/errata/RHSA-2026:16693
https://access.redhat.com/errata/RHSA-2026:18040
https://access.redhat.com/errata/RHSA-2026:18042
https://access.redhat.com/errata/RHSA-2026:18043
https://access.redhat.com/errata/RHSA-2026:18044
https://access.redhat.com/errata/RHSA-2026:18045
https://access.redhat.com/errata/RHSA-2026:18046
https://access.redhat.com/errata/RHSA-2026:18047
https://access.redhat.com/errata/RHSA-2026:18048
https://access.redhat.com/errata/RHSA-2026:19151
https://access.redhat.com/errata/RHSA-2026:19365
https://access.redhat.com/errata/RHSA-2026:23233
https://access.redhat.com/errata/RHSA-2026:23245
https://access.redhat.com/errata/RHSA-2026:25044
https://access.redhat.com/errata/RHSA-2026:25096
https://access.redhat.com/errata/RHSA-2026:25181
https://access.redhat.com/errata/RHSA-2026:26528
https://access.redhat.com/errata/RHSA-2026:26542
https://access.redhat.com/errata/RHSA-2026:28887
https://access.redhat.com/errata/RHSA-2026:30078
https://access.redhat.com/errata/RHSA-2026:30087
https://access.redhat.com/errata/RHSA-2026:30088
https://access.redhat.com/errata/RHSA-2026:30089
https://access.redhat.com/errata/RHSA-2026:34098
https://access.redhat.com/errata/RHSA-2026:8579
https://access.redhat.com/security/cve/CVE-2026-40164
https://bugzilla.redhat.com/show_bug.cgi?id=2458084
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40164.json
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-40164 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-40164 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

DSA and DLA for Debian last 14 days

Python

Updated: 1 month ago
0 stars 1 fork 1 watcher
Born at : Feb. 12, 2025, 2:08 p.m. This repo has been linked 1048 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-40164 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-40164 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 0b0ca135-0b70-47e7-9f44-1890c2a1c46c

    Jul. 10, 2026

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2026:34098
    Changed Affected [{'cpes': ['cpe:/a:redhat:openshift:4.12::el8'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.12', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.13::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.13', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.14::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.14', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.15::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.15', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.16::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.16', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.18::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.18', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.19::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.19', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux:8::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream (v. 8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_aus:8.4::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream AUS (v.8.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_eus_long_life:8.4::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_aus:8.6::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream AUS (v.8.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:8.6::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.8.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_tus:8.6::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream TUS (v.8.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:8.8::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.8.8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_tus:8.8::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream TUS (v.8.8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:9.0::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.9.0)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:9.2::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.9.2)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux_eus:10.0'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux BaseOS EUS (v. 10.0)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:10.1', 'cpe:/o:redhat:enterprise_linux:10.2'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux BaseOS (v. 10)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:rhel_eus:9.4::baseos'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux BaseOS EUS (v.9.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:rhel_eus:9.6::baseos'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux BaseOS EUS (v.9.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:9::baseos'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux BaseOS (v. 9)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux_eus:10.0'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:10.1', 'cpe:/o:redhat:enterprise_linux:10.2'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux:8::crb'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux CRB (v. 8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_eus:9.4::crb'], 'vendor': 'Red Hat', 'product': 'Red Hat CodeReady Linux Builder EUS (v.9.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_eus:9.6::crb'], 'vendor': 'Red Hat', 'product': 'Red Hat CodeReady Linux Builder EUS (v.9.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux:9::crb'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:ai_inference_server:3.2::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat AI Inference Server 3.2', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:ai_inference_server:3.3::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat AI Inference Server 3.3', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:hummingbird:1'], 'vendor': 'Red Hat', 'product': 'Red Hat Hardened Images', 'defaultStatus': 'affected'}] [{'cpes': ['cpe:/a:redhat:openshift:4.12::el8'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.12', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.13::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.13', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.14::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.14', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.15::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.15', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.16::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.16', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.17::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.17', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.18::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.18', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.19::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.19', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux:8::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream (v. 8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_aus:8.4::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream AUS (v.8.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_eus_long_life:8.4::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_aus:8.6::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream AUS (v.8.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:8.6::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.8.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_tus:8.6::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream TUS (v.8.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:8.8::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.8.8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_tus:8.8::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream TUS (v.8.8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:9.0::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.9.0)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:9.2::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.9.2)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux_eus:10.0'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux BaseOS EUS (v. 10.0)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:10.1', 'cpe:/o:redhat:enterprise_linux:10.2'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux BaseOS (v. 10)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:rhel_eus:9.4::baseos'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux BaseOS EUS (v.9.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:rhel_eus:9.6::baseos'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux BaseOS EUS (v.9.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:9::baseos'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux BaseOS (v. 9)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux_eus:10.0'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:10.1', 'cpe:/o:redhat:enterprise_linux:10.2'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux:8::crb'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux CRB (v. 8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_eus:9.4::crb'], 'vendor': 'Red Hat', 'product': 'Red Hat CodeReady Linux Builder EUS (v.9.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_eus:9.6::crb'], 'vendor': 'Red Hat', 'product': 'Red Hat CodeReady Linux Builder EUS (v.9.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux:9::crb'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:ai_inference_server:3.2::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat AI Inference Server 3.2', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:ai_inference_server:3.3::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat AI Inference Server 3.3', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:hummingbird:1'], 'vendor': 'Red Hat', 'product': 'Red Hat Hardened Images', 'defaultStatus': 'affected'}]
  • CVE Modified by 0b0ca135-0b70-47e7-9f44-1890c2a1c46c

    Jul. 02, 2026

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2026:28887
    Changed Affected [{'cpes': ['cpe:/a:redhat:openshift:4.12::el8'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.12', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.13::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.13', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.15::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.15', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.16::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.16', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.18::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.18', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.19::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.19', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux:8::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream (v. 8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_aus:8.4::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream AUS (v.8.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_eus_long_life:8.4::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_aus:8.6::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream AUS (v.8.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:8.6::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.8.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_tus:8.6::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream TUS (v.8.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:8.8::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.8.8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_tus:8.8::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream TUS (v.8.8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:9.0::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.9.0)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:9.2::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.9.2)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux_eus:10.0'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux BaseOS EUS (v. 10.0)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:10.1', 'cpe:/o:redhat:enterprise_linux:10.2'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux BaseOS (v. 10)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:rhel_eus:9.4::baseos'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux BaseOS EUS (v.9.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:rhel_eus:9.6::baseos'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux BaseOS EUS (v.9.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:9::baseos'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux BaseOS (v. 9)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux_eus:10.0'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:10.1', 'cpe:/o:redhat:enterprise_linux:10.2'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux:8::crb'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux CRB (v. 8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_eus:9.4::crb'], 'vendor': 'Red Hat', 'product': 'Red Hat CodeReady Linux Builder EUS (v.9.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_eus:9.6::crb'], 'vendor': 'Red Hat', 'product': 'Red Hat CodeReady Linux Builder EUS (v.9.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux:9::crb'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:ai_inference_server:3.2::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat AI Inference Server 3.2', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:ai_inference_server:3.3::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat AI Inference Server 3.3', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:hummingbird:1'], 'vendor': 'Red Hat', 'product': 'Red Hat Hardened Images', 'defaultStatus': 'affected'}] [{'cpes': ['cpe:/a:redhat:openshift:4.12::el8'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.12', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.13::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.13', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.14::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.14', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.15::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.15', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.16::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.16', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.18::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.18', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.19::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.19', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux:8::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream (v. 8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_aus:8.4::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream AUS (v.8.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_eus_long_life:8.4::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_aus:8.6::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream AUS (v.8.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:8.6::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.8.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_tus:8.6::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream TUS (v.8.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:8.8::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.8.8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_tus:8.8::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream TUS (v.8.8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:9.0::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.9.0)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:9.2::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.9.2)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux_eus:10.0'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux BaseOS EUS (v. 10.0)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:10.1', 'cpe:/o:redhat:enterprise_linux:10.2'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux BaseOS (v. 10)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:rhel_eus:9.4::baseos'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux BaseOS EUS (v.9.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:rhel_eus:9.6::baseos'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux BaseOS EUS (v.9.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:9::baseos'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux BaseOS (v. 9)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux_eus:10.0'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:10.1', 'cpe:/o:redhat:enterprise_linux:10.2'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux:8::crb'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux CRB (v. 8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_eus:9.4::crb'], 'vendor': 'Red Hat', 'product': 'Red Hat CodeReady Linux Builder EUS (v.9.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_eus:9.6::crb'], 'vendor': 'Red Hat', 'product': 'Red Hat CodeReady Linux Builder EUS (v.9.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux:9::crb'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:ai_inference_server:3.2::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat AI Inference Server 3.2', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:ai_inference_server:3.3::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat AI Inference Server 3.3', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:hummingbird:1'], 'vendor': 'Red Hat', 'product': 'Red Hat Hardened Images', 'defaultStatus': 'affected'}]
  • CVE Modified by 0b0ca135-0b70-47e7-9f44-1890c2a1c46c

    Jun. 30, 2026

    Action Type Old Value New Value
    Added Affected [{'cpes': ['cpe:/a:redhat:openshift:4.12::el8'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.12', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.13::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.13', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.15::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.15', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.16::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.16', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.18::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.18', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4.19::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4.19', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux:8::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream (v. 8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_aus:8.4::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream AUS (v.8.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_eus_long_life:8.4::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_aus:8.6::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream AUS (v.8.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:8.6::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.8.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_tus:8.6::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream TUS (v.8.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:8.8::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.8.8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_tus:8.8::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream TUS (v.8.8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:9.0::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.9.0)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:9.2::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.9.2)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux_eus:10.0'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux BaseOS EUS (v. 10.0)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:10.1', 'cpe:/o:redhat:enterprise_linux:10.2'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux BaseOS (v. 10)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:rhel_eus:9.4::baseos'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux BaseOS EUS (v.9.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:rhel_eus:9.6::baseos'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux BaseOS EUS (v.9.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:9::baseos'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux BaseOS (v. 9)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux_eus:10.0'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:10.1', 'cpe:/o:redhat:enterprise_linux:10.2'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux:8::crb'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux CRB (v. 8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_eus:9.4::crb'], 'vendor': 'Red Hat', 'product': 'Red Hat CodeReady Linux Builder EUS (v.9.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_eus:9.6::crb'], 'vendor': 'Red Hat', 'product': 'Red Hat CodeReady Linux Builder EUS (v.9.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux:9::crb'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:ai_inference_server:3.2::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat AI Inference Server 3.2', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:ai_inference_server:3.3::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat AI Inference Server 3.3', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:hummingbird:1'], 'vendor': 'Red Hat', 'product': 'Red Hat Hardened Images', 'defaultStatus': 'affected'}]
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-341
    Added Reference https://access.redhat.com/errata/RHSA-2026:16252
    Added Reference https://access.redhat.com/errata/RHSA-2026:16692
    Added Reference https://access.redhat.com/errata/RHSA-2026:16693
    Added Reference https://access.redhat.com/errata/RHSA-2026:18040
    Added Reference https://access.redhat.com/errata/RHSA-2026:18042
    Added Reference https://access.redhat.com/errata/RHSA-2026:18043
    Added Reference https://access.redhat.com/errata/RHSA-2026:18044
    Added Reference https://access.redhat.com/errata/RHSA-2026:18045
    Added Reference https://access.redhat.com/errata/RHSA-2026:18046
    Added Reference https://access.redhat.com/errata/RHSA-2026:18047
    Added Reference https://access.redhat.com/errata/RHSA-2026:18048
    Added Reference https://access.redhat.com/errata/RHSA-2026:19151
    Added Reference https://access.redhat.com/errata/RHSA-2026:19365
    Added Reference https://access.redhat.com/errata/RHSA-2026:23233
    Added Reference https://access.redhat.com/errata/RHSA-2026:23245
    Added Reference https://access.redhat.com/errata/RHSA-2026:25044
    Added Reference https://access.redhat.com/errata/RHSA-2026:25096
    Added Reference https://access.redhat.com/errata/RHSA-2026:25181
    Added Reference https://access.redhat.com/errata/RHSA-2026:26528
    Added Reference https://access.redhat.com/errata/RHSA-2026:26542
    Added Reference https://access.redhat.com/errata/RHSA-2026:30078
    Added Reference https://access.redhat.com/errata/RHSA-2026:30087
    Added Reference https://access.redhat.com/errata/RHSA-2026:30088
    Added Reference https://access.redhat.com/errata/RHSA-2026:30089
    Added Reference https://access.redhat.com/errata/RHSA-2026:8579
    Added Reference https://access.redhat.com/security/cve/CVE-2026-40164
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2458084
    Added Reference https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40164.json
  • CVE Modified by [email protected]

    Jun. 17, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'jqlang', 'product': 'jq', 'versions': [{'status': 'affected', 'version': '< 0c7d133c3c7e37c00b6d46b658a02244fdd3c784'}]}]
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jun. 17, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-40164', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-04-14T19:08:48.249009Z'}
  • New CVE Received by [email protected]

    Apr. 14, 2026

    Action Type Old Value New Value
    Added Description jq is a command-line JSON processor. Before commit 0c7d133c3c7e37c00b6d46b658a02244fdd3c784, jq used MurmurHash3 with a hardcoded, publicly visible seed (0x432A9843) for all JSON object hash table operations, which allowed an attacker to precompute key collisions offline. By supplying a crafted JSON object (~100 KB) where all keys hashed to the same bucket, hash table lookups degraded from O(1) to O(n), turning any jq expression into an O(n²) operation and causing significant CPU exhaustion. This affected common jq use cases such as CI/CD pipelines, web services, and data processing scripts, and was far more practical to exploit than existing heap overflow issues since it required only a small payload. This issue has been patched in commit 0c7d133c3c7e37c00b6d46b658a02244fdd3c784.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-407
    Added CWE CWE-328
    Added Reference https://github.com/jqlang/jq/commit/0c7d133c3c7e37c00b6d46b658a02244fdd3c784
    Added Reference https://github.com/jqlang/jq/security/advisories/GHSA-wwj8-gxm6-jc29
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.