CVE-2026-90560

High

Description

zstd-jni versions 1.2.0 through 1.5.7-13 contain an out-of-bounds read vulnerability in the ZstdDictDecompress constructor because offset and length arguments are never validated against the dictionary array bounds. Attackers can supply arbitrary offset or length values to read memory past the end of the supplied array, potentially causing JVM termination.

SeverityHigh

CVSS8.2

Exploit probability—

ProductLuben Zstd-jni

PublishedSep 12, 2026

First seenSep 12, 2026

Weakness typeCWE-125Out-of-bounds read

How to fix

Update

luben zstd-jni1.5.7-14 or later

Patches

github.com/luben/zstd-jni/commit/b74ab242d640c40897e62aab4c744ddfad1f915f

Vendor advisories

github.com/luben/zstd-jni/releases/tag/v1.5.7-14

Affected products

Product	Affected versions	Fixed in
luben zstd-jni	1.2.0 ≤ v < 1.5.7-14	1.5.7-14

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