CVE-2026-90560

Name	CVE-2026-90560
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.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
zstd-jni-java (PTS)	bookworm	1.5.2-5+ds-3	vulnerable
	trixie	1.5.2-5+ds-7	vulnerable
	forky, sid	1.5.2-5+ds-8	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
zstd-jni-java	source	(unstable)	(unfixed)

https://github.com/luben/zstd-jni/issues/405
Fixed by: https://github.com/luben/zstd-jni/commit/b74ab242d640c40897e62aab4c744ddfad1f915f (v1.5.7-14)