CVE-2026-34352

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

26/03/2026

Last modified:

26/03/2026

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.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L CVSS v3.1 Severity and Metrics:

Base Score: 8.50 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): High
Integrity (I): Low
Availability (A): Low

Base Score 3.x

8.50

Severity 3.x

HIGH

References to Advisories, Solutions, and Tools

https://github.com/TigerVNC/tigervnc/commit/0b5cab169d847789efa54459a87659d3fd484393
https://groups.google.com/g/tigervnc-announce/c/anHL9WLshLI
https://sourceforge.net/projects/tigervnc/files/stable/1.16.2
https://www.openwall.com/lists/oss-security/2026/03/26/7