CVE-2026-6861

Name	CVE-2026-6861
Description	A flaw was found in GNU Emacs. This vulnerability, a memory corruption issue, occurs when Emacs processes specially crafted SVG (Scalable Vector Graphics) CSS (Cascading Style Sheets) data. A local user could exploit this by convincing a victim to open a malicious SVG file, which may lead to a denial of service (DoS) or potentially information disclosure.
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
emacs (PTS)	bullseye	1:27.1+1-3.1+deb11u5	vulnerable
	bullseye (security)	1:27.1+1-3.1+deb11u6	vulnerable
	bookworm, bookworm (security)	1:28.2+1-15+deb12u4	vulnerable
	trixie	1:30.1+1-6	vulnerable
	forky, sid	1:30.2+1-2	vulnerable

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

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

Notes

https://bugzilla.redhat.com/show_bug.cgi?id=2459992
https://debbugs.gnu.org/80851
Fixed by: https://cgit.git.savannah.gnu.org/cgit/emacs.git/commit/?h=emacs-30&id=8f535370b9efbc91673b20c6987a5cae4f6dc562