Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2025-26596

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.

Published

2025-02-25T16:15:38.603

Last Modified

2025-05-13T20:15:26.490

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

Weaknesses
  • Type: Secondary
    CWE-787
  • Type: Secondary
    CWE-787
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application tigervnc tigervnc - Yes
Application x.org x_server < 21.1.16 Yes
Application x.org xwayland < 24.1.6 Yes
Operating System redhat enterprise_linux 7.0 Yes
Operating System redhat enterprise_linux 8.0 Yes
Operating System redhat enterprise_linux 9.0 Yes
References