CVE-2025-5918

Name	CVE-2025-5918
Description	A vulnerability has been identified in the libarchive library. This flaw can be triggered when file streams are piped into bsdtar, potentially allowing for reading past the end of the file. This out-of-bounds read can lead to unintended consequences, including unpredictable program behavior, memory corruption, or a denial-of-service condition.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	1107624

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libarchive (PTS)	bullseye	3.4.3-2+deb11u1	vulnerable
	bullseye (security)	3.4.3-2+deb11u2	vulnerable
	bookworm, bookworm (security)	3.6.2-1+deb12u2	vulnerable
	trixie, sid	3.7.4-3	vulnerable

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
libarchive	source	(unstable)	(unfixed)			1107624

Notes

[bookworm] - libarchive <no-dsa> (Minor issue)
[bullseye] - libarchive <postponed> (Minor issue)
https://github.com/libarchive/libarchive/pull/2584
Fixed by; https://github.com/libarchive/libarchive/commit/dcbf1e0ededa95849f098d154a25876ed5754bcf (v3.8.0)