CVE-2026-90852
Published:September 15, 2026
Updated:September 22, 2026
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.
Affected Packages
https://github.com/luben/zstd-jni.git (GITHUB):
Affected version(s) >=v1.4.4-2 <v1.5.7-14Fix Suggestion:
Update to version v1.5.7-14com.github.luben:zstd-jni (JAVA):
Affected version(s) >=1.4.4-2 <1.5.7-14Fix Suggestion:
Update to version 1.5.7-14Related Resources (9)
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Contact UsCVSS v4
Base Score:
5.5
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
POC
CVSS v3
Base Score:
7.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Exploit Maturity
PROOF-OF-CONCEPT
Weakness Type (CWE)
EPSS
Base Score:
0.31