Out-of-Bounds Access Vulnerability in Xorg X11 Server by X.Org
CVE-2021-4008

7.8HIGH

Key Information:

Vendor

X.org

Status
Xorg-x11-server
Vendor
CVE Published:
17 December 2021

What is CVE-2021-4008?

A vulnerability has been identified in the Xorg X11 Server that allows for out-of-bounds access in the SProcRenderCompositeGlyphs function. This flaw can jeopardize data confidentiality and integrity, posing significant threats to system availability. Users and administrators should ensure they are running updated versions to mitigate potential risks.

Affected Version(s)

xorg-x11-server xorg-x11-server 21.1.2, xorg-x11-server 1.20.14

References

https://lists.x.org/archives/xorg-announce/2021-December/...
https://lists.x.org/archives/xorg-announce/2021-December/...
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisory

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.