Access of Uninitialized Pointer Affecting tigervnc-server package, versions <0:1.13.1-15.el8_10


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.05% (19th percentile)

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  • Snyk IDSNYK-CENTOS8-TIGERVNCSERVER-8817716
  • published28 Feb 2025
  • disclosed25 Feb 2025

Introduced: 25 Feb 2025

CVE-2025-26599  (opens in a new tab)
CWE-824  (opens in a new tab)

How to fix?

Upgrade Centos:8 tigervnc-server to version 0:1.13.1-15.el8_10 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tigervnc-server package and not the tigervnc-server package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

An access to an uninitialized pointer flaw was found in X.Org and Xwayland. The function compCheckRedirect() may fail if it cannot allocate the backing pixmap. In that case, compRedirectWindow() will return a BadAlloc error without validating the window tree marked just before, which leaves the validated data partly initialized and the use of an uninitialized pointer later.

CVSS Base Scores

version 3.1