CVE-2026-2704

Name	CVE-2026-2704
Description	A security vulnerability has been detected in Open Babel up to 3.1.1. The affected element is the function OpenBabel::transform3d::DescribeAsString of the file src/math/transform3d.cpp of the component CIF File Handler. The manipulation leads to out-of-bounds read. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The identifier of the patch is e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. It is suggested to install a patch to address this issue. The project was informed of the problem early through an issue report but has not responded yet.
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	1129566

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
openbabel (PTS)	bullseye	3.1.1+dfsg-6	vulnerable
	bookworm	3.1.1+dfsg-9	vulnerable
	trixie	3.1.1+dfsg-12	vulnerable
	forky, sid	3.1.1+dfsg-14	vulnerable

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
openbabel	source	(unstable)	(unfixed)			1129566

Notes

[trixie] - openbabel <no-dsa> (Minor issue)
[bookworm] - openbabel <no-dsa> (Minor issue)
[bullseye] - openbabel <postponed> (Minor issue)
https://github.com/openbabel/openbabel/issues/2848
https://github.com/openbabel/openbabel/pull/2862