CVE-2021-3472

HIGH7.8EPSS 0.08%

xorg-server - security update

Published: 4/26/2021Modified: 4/28/2026

Description

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.

Affected packages (4)

CVSS scores

SourceVersionSeverityVector
osvCVSS 3.1HIGH7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References (2)