Withdrawn: this CVE is not a vulnerability
The assigning CNA withdrew CVE-2026-13002 on 30 October 2026, and it carries the Rejected state at CVE.org and NVD. It must not be treated as a live finding. Its pre-withdrawal severity, score and exploitability are withheld below; the record itself is kept because withdrawals are reversible and because the reject reason is the correction worth publishing.
CVE-2026-13002
Dnsmasq: infinite loop dos in dnssec nsec/nsec3 type bitmap parsing
Description
Rejected reason: Rejected as this CVE is duplicate to CVE-2026-4890.
INFO
Published Date :
Aug. 14, 2026, 4:16 p.m.
Last Modified :
Oct. 30, 2026, 2:16 p.m.
Remotely Exploit :
—
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-13002
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.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | 53f830b8-0a3f-465b-8143-3b8a9948e749 | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | MITRE-CVE |
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-13002 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-13002 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 [email protected]
Oct. 30, 2026
Action Type Old Value New Value Changed Description A flow has been identified into dnssec.c library, causing an infinite loop to dnsmasq service. An attacker who controls any DNSSEC-signed zone can hang the dnsmasq process with a single crafted response, killing all DNS resolution for its clients. Rejected reason: Rejected as this CVE is duplicate to CVE-2026-4890. Removed CVSS V3.1 Red Hat, Inc.: AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H Removed CWE Red Hat, Inc.: CWE-835 Removed CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:* Added Affected Affected value removed. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/13xxx/CVE-2026-13002.json">CVE-2026-13002</a> Removed Reference Red Hat, Inc.: https://access.redhat.com/security/cve/CVE-2026-13002 Removed Reference Red Hat, Inc.: https://bugzilla.redhat.com/show_bug.cgi?id=2486360 Removed Reference Type Red Hat, Inc.: https://access.redhat.com/security/cve/CVE-2026-13002 Types: Vendor Advisory Removed Reference Type Red Hat, Inc.: https://bugzilla.redhat.com/show_bug.cgi?id=2486360 Types: Issue Tracking, Vendor Advisory -
CVE Rejected by [email protected]
Oct. 30, 2026
Action Type Old Value New Value -
CVE Modified by [email protected]
Aug. 31, 2026
Action Type Old Value New Value Added Affected Affected value modified. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/13xxx/CVE-2026-13002.json">CVE-2026-13002</a> -
CVE Modified by [email protected]
Aug. 31, 2026
Action Type Old Value New Value Added Affected Affected value modified. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/13xxx/CVE-2026-13002.json">CVE-2026-13002</a> -
CVE Modified by [email protected]
Aug. 26, 2026
Action Type Old Value New Value Added Affected Affected value modified. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/13xxx/CVE-2026-13002.json">CVE-2026-13002</a> Added Reference https://access.redhat.com/security/cve/CVE-2026-13002 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2486360 Removed Reference https://access.redhat.com/security/cve/CVE-2026-13002 Removed Reference https://bugzilla.redhat.com/show_bug.cgi?id=2486360 Removed Reference Type https://access.redhat.com/security/cve/CVE-2026-13002 Types: Vendor Advisory Removed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2486360 Types: Issue Tracking, Vendor Advisory -
Initial Analysis by [email protected]
Aug. 25, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:* Added Reference Type Red Hat, Inc.: https://access.redhat.com/security/cve/CVE-2026-13002 Types: Vendor Advisory Added Reference Type Red Hat, Inc.: https://bugzilla.redhat.com/show_bug.cgi?id=2486360 Types: Issue Tracking, Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 14, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-13002', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-08-14T16:08:55.591278Z'} -
New CVE Received by [email protected]
Aug. 14, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:/o:redhat:enterprise_linux:10'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 10', 'packageName': 'dnsmasq', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:6'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 6', 'packageName': 'dnsmasq', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:7'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 7', 'packageName': 'dnsmasq', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:8'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 8', 'packageName': 'dnsmasq', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:9'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 9', 'packageName': 'dnsmasq', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4', 'packageName': 'rhcos', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'affected'}] Added Description A flow has been identified into dnssec.c library, causing an infinite loop to dnsmasq service. An attacker who controls any DNSSEC-signed zone can hang the dnsmasq process with a single crafted response, killing all DNS resolution for its clients. Added CVSS V3.1 AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-835 Added Reference https://access.redhat.com/security/cve/CVE-2026-13002 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2486360