CVEvulnerability

CVE-2021-4008

7.8 HIGH Published 2021-12-17 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-12-17
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
Weaknesses
CWE-119

Description

A flaw was found in xorg-x11-server in versions before 21.1.2 and before 1.20.14. An out-of-bounds access can occur in the SProcRenderCompositeGlyphs function. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Affected configurations

• x.org x server (< 1.20.14) • x.org x server 21.1.0 • x.org x server 21.1.1 • fedoraproject fedora 34 • fedoraproject fedora 35 • debian debian linux 9.0 • debian debian linux 10.0 • debian debian linux 11.0

Related

Weakness · CWE (1)

  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness

References