Use After Free Affecting tigervnc-server-module package, versions <0:1.14.1-9.el9_6


Severity

Recommended
0.0
high
0
10

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.02% (4th percentile)

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  • Snyk IDSNYK-ALMALINUX9-TIGERVNCSERVERMODULE-13861989
  • published9 Nov 2025
  • disclosed3 Nov 2025

Introduced: 3 Nov 2025

NewCVE-2025-62229  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 tigervnc-server-module to version 0:1.14.1-9.el9_6 or higher.
This issue was patched in ALSA-2025:19489.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tigervnc-server-module package and not the tigervnc-server-module package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

A flaw was found in the X.Org X server and Xwayland when processing X11 Present extension notifications. Improper error handling during notification creation can leave dangling pointers that lead to a use-after-free condition. This can cause memory corruption or a crash, potentially allowing an attacker to execute arbitrary code or cause a denial of service.

CVSS Base Scores

version 3.1