CVE-2026-90558

Name	CVE-2026-90558
Description	sngrep through 1.8.4 contains stack buffer overflow vulnerabilities in SIP attribute formatting routines when header values exceed the 255-byte buffer limit. Attackers can craft malicious SIP packets with oversized Call-ID, X-Call-ID, or other header fields to overflow stack buffers and cause crashes or execute arbitrary code during packet parsing and rendering.
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	1147622

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
sngrep (PTS)	bookworm	1.6.0-1	vulnerable
	trixie	1.8.2-1	vulnerable
	forky, sid	1.8.4-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
sngrep	source	(unstable)	1.8.4-2			1147622

Notes

[trixie] - sngrep <no-dsa> (Minor issue)
[bookworm] - sngrep <postponed> (Minor issue)
Fixed by: https://github.com/irontec/sngrep/commit/1ff74ee3ab5ff280e8ba976aa8c744dca57eb35b