CVE-2026-34253

Name	CVE-2026-34253
Description	A buffer underflow vulnerability has been identified in the ogg123 utility from the vorbis-tools 1.4.3 package in function remotethread in remote.c. This vulnerability occurs in the remote control functionality when processing malformed input, leading to a stack buffer underflow that can cause application crashes and potentially allow code execution.
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	1136943

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
vorbis-tools (PTS)	bullseye	1.4.0-11	vulnerable
	bookworm	1.4.2-1	vulnerable
	forky, sid, trixie	1.4.3-1	vulnerable

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
vorbis-tools	source	(unstable)	(unfixed)			1136943

Notes

[trixie] - vorbis-tools <no-dsa> (Minor issue)
[bookworm] - vorbis-tools <no-dsa> (Minor issue)
https://gitlab.xiph.org/xiph/vorbis-tools/-/work_items/2332
https://gitlab.xiph.org/xiph/vorbis-tools/-/merge_requests/27
https://gitlab.xiph.org/xiph/vorbis-tools/-/commit/4bb4fb33b25949178179f689db9afb477abeb572
https://gitlab.xiph.org/xiph/vorbis-tools/-/commit/cfc497a442f51fb4885e132deaf2e0ba067bd280