CVE-2026-90852
luben zstd-jni Dictionary Sharing ZstdCompressCtx.java ZstdCompressCtx.loadDict use after free
Description
A vulnerability has been found in luben zstd-jni up to 1.5.7-13. This vulnerability affects the function ZstdCompressCtx.loadDict of the file ZstdCompressCtx.java of the component Dictionary Sharing. Such manipulation leads to use after free. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 1.5.7-14 is able to resolve this issue. The name of the patch is a560131d7834598afd9cea6b7c107bc88e915936. The affected component should be upgraded. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
INFO
Published Date :
Sept. 15, 2026, 3:17 a.m.
Last Modified :
Sept. 15, 2026, 3:17 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-90852
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.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Upgrade zstd-jni to version 1.5.7-14 or later.
- Apply the patch a560131d7834598afd9cea6b7c107bc88e915936.
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-2026-90852.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-90852 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-2026-90852
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-90852 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-90852 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.
-
New CVE Received by [email protected]
Sep. 15, 2026
Action Type Old Value New Value Added Description A vulnerability has been found in luben zstd-jni up to 1.5.7-13. This vulnerability affects the function ZstdCompressCtx.loadDict of the file ZstdCompressCtx.java of the component Dictionary Sharing. Such manipulation leads to use after free. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 1.5.7-14 is able to resolve this issue. The name of the patch is a560131d7834598afd9cea6b7c107bc88e915936. The affected component should be upgraded. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CWE CWE-119 Added CWE CWE-416 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/90xxx/CVE-2026-90852.json">CVE-2026-90852</a> Added Reference https://github.com/luben/zstd-jni/ Added Reference https://github.com/luben/zstd-jni/commit/a560131d7834598afd9cea6b7c107bc88e915936 Added Reference https://github.com/luben/zstd-jni/issues/404 Added Reference https://github.com/luben/zstd-jni/releases/tag/v1.5.7-14 Added Reference https://vuldb.com/cve/CVE-2026-90852 Added Reference https://vuldb.com/submit/927022 Added Reference https://vuldb.com/vuln/403407 Added Reference https://vuldb.com/vuln/403407/cti