CVE-2026-120457

Name	CVE-2026-120457
Description	libaec through 1.1.7 contains an out-of-bounds read vulnerability in m_se_decode() in src/decode.c that allows attackers to bypass a signed bounds check via an overlong fundamental sequence. Attackers can supply a crafted CCSDS 121.0/SZIP stream with 2^31 or more zero bits to crash the decoder or leak adjacent memory into decoded samples.
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
libaec (PTS)	bookworm	1.0.6-1	vulnerable
	trixie	1.1.3-1	vulnerable
	forky, sid	1.1.7-1	vulnerable

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

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

Notes

[trixie] - libaec <no-dsa> (Minor issue)
https://github.com/Deutsches-Klimarechenzentrum/libaec/issues/64
https://github.com/Deutsches-Klimarechenzentrum/libaec/commit/efcc8f200fdc5fc674353cebcb20c1fe197bc055