CVE-2026-89046

Name	CVE-2026-89046
Description	zstd-jni versions 1.5.5-6 through 1.5.7-13 contain an out-of-bounds read vulnerability in Zstd.getFrameContentSize that fails to validate negative srcPosition arguments. Attackers can supply negative offset values that bypass bounds checks and reach the native frame-header parser, causing out-of-bounds memory reads that lead to information disclosure or JVM crashes.
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)
Debian Bugs	1147397

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)			1147397

Notes

[trixie] - zstd-jni-java <no-dsa> (Minor issue)
[bookworm] - zstd-jni-java <postponed> (Minor issue)
https://github.com/luben/zstd-jni/security/advisories/GHSA-rm53-6wf5-f34m
Fixed by: https://github.com/luben/zstd-jni/commit/dd08685ef913a32e76fb27f43470035c06758646 (v1.5.7-14)