Bug 2452022 (CVE-2026-34352) - CVE-2026-34352 TigerVNC: x0vncserver: TigerVNC x0vncserver: Information disclosure, data manipulation, and denial of service via incorrect permissions
Summary: CVE-2026-34352 TigerVNC: x0vncserver: TigerVNC x0vncserver: Information discl...
Keywords:
Status: NEW
Alias: CVE-2026-34352
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-03-26 23:02 UTC by OSIDB Bzimport
Modified: 2026-05-04 12:29 UTC (History)
0 users

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:10739 0 None None None 2026-04-27 08:29:55 UTC
Red Hat Product Errata RHSA-2026:13414 0 None None None 2026-05-04 12:29:14 UTC

Description OSIDB Bzimport 2026-03-26 23:02:12 UTC 
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.
Comment 2 errata-xmlrpc 2026-04-27 08:29:54 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:10739 https://access.redhat.com/errata/RHSA-2026:10739
Comment 3 errata-xmlrpc 2026-05-04 12:29:13 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:13414 https://access.redhat.com/errata/RHSA-2026:13414
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