CVE-2020-25712

NameCVE-2020-25712
DescriptionA 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-2486-1, DSA-4803-1
NVD severitymedium
Debian Bugs976216

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
xorg-server (PTS)stretch2:1.19.2-1+deb9u5vulnerable
stretch (security)2:1.19.2-1+deb9u8fixed
buster, buster (security)2:1.20.4-1+deb10u3fixed
bookworm, sid, bullseye2:1.20.11-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xorg-serversourcestretch2:1.19.2-1+deb9u7DLA-2486-1
xorg-serversourcebuster2:1.20.4-1+deb10u2DSA-4803-1
xorg-serversource(unstable)2:1.20.10-1976216

Notes

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

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