Vulnerability Analysis
luben zstd-jni Dictionary Sharing ZstdCompressCtx.java ZstdCompressCtx.loadDict use after free
CVE-2026-90852
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.
Memory Corruption
No Active Exploit Signals
CVSS Base Score
6.9
MEDIUM
Exploitability:-
Impact Score:-
Temporal Score:-
EPSS:0.31%
Threat Intelligence Signals
CISA KEV
No
KEV Date Added
—
Ransomware Use
—
KEV Due Date
—
VulnCheck In-the-Wild
No
Nuclei Template
No
EPSS Score
0.314%
EPSS Percentile
24.3th pct
GHSA ID
GitHub Severity
MODERATE
SSVC Exploitation
Proof of Concept
SSVC Automatable
Yes
Vulnerability Class
Memory Corruption
Identity & Timeline
| Status | - |
| Assigning Authority | - |
| Discovered Via | - |
| Record Completeness | - |
| CVSS Version / Source | - |
| Reserved | - |
| Published | - |
| Patch Date (date_public) | - |
| Exploit DB Date | - |
| First GitHub PoC Date | - |
| Last Updated | - |
| Time to Patch (Days to fix) | - |
| Exploit Release Gap | - |
| PoC Release Gap | - |
| Exploit DB References | None identified |
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| No affected products specified. | ||
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