CVE-2026-34352

Description

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.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• https://www.openwall.com/lists/oss-security/2026/03/26/7 Mailing ListThird Party Advisory
• https://github.com/TigerVNC/tigervnc/commit/0b5cab169d847789efa54459a87659d3fd484393 Patch
• https://sourceforge.net/projects/tigervnc/files/stable/1.16.2 Release Notes
• https://groups.google.com/g/tigervnc-announce/c/anHL9WLshLI Mailing ListPatch
• https://github.com/TigerVNC/tigervnc/issues/2079