CVE-2026-87795

zstd-jni-java: zstd-jni versions before 1.5.7-14 fail to validate offset and length parameters in the ZstdDictCompress constructor,...

CVE-2026-87795 is fixed in zstd-jni-java on 1 platform by DEBIAN-CVE-2026-87795 (version 1.5.7-23+ds-1), released September 9, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
No vendor severity
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0063
50th percentile

zstd-jni versions before 1.5.7-14 fail to validate offset and length parameters in the ZstdDictCompress constructor, allowing out-of-bounds memory reads. Attackers can supply untrusted offset or length values to read native heap memory into the compression dictionary, typically causing JVM crashes.

Where it's fixed

ProductFixed inFixReleased
Linux
zstd-jni-java · Debian 14 1.5.7-23+ds-1 DEBIAN-CVE-2026-87795 Sep 9, 2026

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