CVE-2026-89045

Name	CVE-2026-89045
Description	zstd-jni versions 1.4.8-4 through 1.5.7-13 fail to validate negative length parameters in ZstdInputStreamNoFinalizer.read(), allowing attackers to trigger infinite loops. Attackers can pass negative length values to cause the read method to spin indefinitely while holding the stream monitor, blocking all other threads from accessing the stream.
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-9jx2-gfp9-phfm
Fixed by: https://github.com/luben/zstd-jni/commit/dd08685ef913a32e76fb27f43470035c06758646 (v1.5.7-14)