This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2021-3472 →

DEBIAN-CVE-2021-3472

A flaw was found in xorg-x11-server in versions before 1.20.11. An integer underflow can occur in xserver which can lead to a local privilege escalati...

Original description

The description as published by the source.

A flaw was found in xorg-x11-server in versions before 1.20.11. An integer underflow can occur in xserver which can lead to a local privilege escalation. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 xorg-server

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.20.11-1"}]}]

Debian:13 xorg-server

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.20.11-1"}]}]

Debian:14 xorg-server

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.20.11-1"}]}]

References

advisory security-tracker.debian.org