Incorrect Execution-Assigned Permissions Affecting tigervnc package, versions <0:1.15.0-7.el9_8.1


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.25% (16th percentile)

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  • Snyk IDSNYK-RHEL9-TIGERVNC-15857022
  • published31 Mar 2026
  • disclosed26 Mar 2026

Introduced: 26 Mar 2026

CVE-2026-34352  (opens in a new tab)
CWE-279  (opens in a new tab)

How to fix?

Upgrade RHEL:9 tigervnc to version 0:1.15.0-7.el9_8.1 or higher.
This issue was patched in RHSA-2026:19342.

NVD Description

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

In TigerVNC before 1.16.2, Image.cxx in x0vncserver allows other users to observe or manipulate the screen contents, or cause an application crash, because of incorrect permissions.

CVSS Base Scores

version 3.1