VULNERABILITY

Ubuntu: (Multiple Advisories) (CVE-2025-26596): X.Org X Server vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2025-26596): X.Org X Server vulnerabilities

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:N/A:C)
Published
02/25/2025
Created
03/10/2025
Added
02/26/2025
Modified
03/11/2025

Description

A heap overflow flaw was found in X.Org and Xwayland. The computation of the length in XkbSizeKeySyms() differs from what is written in XkbWriteKeySyms(), which may lead to a heap-based buffer overflow.

Solution(s)

  • ubuntu-pro-upgrade-xserver-xorg-core
  • ubuntu-pro-upgrade-xserver-xorg-core-hwe-16-04
  • ubuntu-pro-upgrade-xserver-xorg-core-hwe-18-04
  • ubuntu-pro-upgrade-xwayland
  • ubuntu-pro-upgrade-xwayland-hwe-16-04
  • ubuntu-pro-upgrade-xwayland-hwe-18-04

References

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