Incorrect Execution-Assigned Permissions The advisory has been revoked - it doesn't affect any version of package tigervnc (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL7-TIGERVNC-15858186
- published31 Mar 2026
- disclosed26 Mar 2026
Introduced: 26 Mar 2026
CVE-2026-34352 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:7.
NVD Description
Note: Versions mentioned in the description apply only to the upstream tigervnc package and not the tigervnc package as distributed by RHEL.
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.
References
- https://access.redhat.com/security/cve/CVE-2026-34352
- 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
- https://github.com/TigerVNC/tigervnc/issues/2079