CVE-2020-25712

Name	CVE-2020-25712
Description	A flaw was found in xorg-x11-server before 1.20.10. A heap-buffer overflow in XkbSetDeviceInfo may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
References	DLA-2486-1, DSA-4803-1
Debian Bugs	976216

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
xorg-server (PTS)	buster	2:1.20.4-1+deb10u4	fixed
	buster (security)	2:1.20.4-1+deb10u9	fixed
	bullseye	2:1.20.11-1+deb11u3	fixed
	bullseye (security)	2:1.20.11-1+deb11u6	fixed
	bookworm	2:21.1.7-1	fixed
	sid	2:21.1.7-2	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
xorg-server	source	stretch	2:1.19.2-1+deb9u7	DLA-2486-1
xorg-server	source	buster	2:1.20.4-1+deb10u2	DSA-4803-1
xorg-server	source	(unstable)	2:1.20.10-1		976216

https://gitlab.freedesktop.org/xorg/xserver/-/commit/87c64fc5b0db9f62f4e361444f4b60501ebf67b9