VULNERABILITY INTELLIGENCE

CVE-2021-3472

CVSS score7.8 HIGH
EPSS probability1.05%
CISA KEVNot currently listed
Published2021-04-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • secalert@redhat.com: CWE-191

Primary references