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Red Hat Security Advisory

RHSA-2026:19342

tigervnc security update

Released 2026-05-19 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 5 records

TI-2026-26639 CVE-2026-34352 · GHSA-4vj5-vh2w-8g5j

Incorrect permission assignment in TigerVNC

Priority HIGH 75

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 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00251 Published 2026-03-26 Fixed in 1.16.2 CWE-732