Vulnerability Monitor

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CVE-2025-26594


A use-after-free flaw was found in X.Org and Xwayland. The root cursor is referenced in the X server as a global variable. If a client frees the root cursor, the internal reference points to freed memory and causes a use-after-free.


Published

2025-02-25T16:15:38.227

Last Modified

2025-05-13T20:15:26.200

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

Weaknesses
  • Type: Secondary
    CWE-416
  • Type: Primary
    CWE-416

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