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: 2026-06-08 02:03 UTC (History)
2 users (show)

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
Red Hat Product Errata RHSA-2026:19342 0 None None None 2026-05-19 21:37:04 UTC
Red Hat Product Errata RHSA-2026:20575 0 None None None 2026-05-26 04:00:42 UTC
Red Hat Product Errata RHSA-2026:20576 0 None None None 2026-05-26 04:55:34 UTC
Red Hat Product Errata RHSA-2026:21741 0 None None None 2026-05-28 11:38:23 UTC
Red Hat Product Errata RHSA-2026:22424 0 None None None 2026-06-02 08:16:54 UTC
Red Hat Product Errata RHSA-2026:22456 0 None None None 2026-06-02 16:05:19 UTC
Red Hat Product Errata RHSA-2026:23254 0 None None None 2026-06-04 11:12:56 UTC
Red Hat Product Errata RHSA-2026:23255 0 None None None 2026-06-04 11:24:31 UTC
Red Hat Product Errata RHSA-2026:23496 0 None None None 2026-06-04 22:07:50 UTC
Red Hat Product Errata RHSA-2026:24341 0 None None None 2026-06-08 02:03:58 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
Comment 4 errata-xmlrpc 2026-05-19 21:37:02 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:19342 https://access.redhat.com/errata/RHSA-2026:19342
Comment 5 errata-xmlrpc 2026-05-26 04:00:41 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Extended Update Support

Via RHSA-2026:20575 https://access.redhat.com/errata/RHSA-2026:20575
Comment 6 errata-xmlrpc 2026-05-26 04:55:33 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:20576 https://access.redhat.com/errata/RHSA-2026:20576
Comment 7 errata-xmlrpc 2026-05-28 11:38:22 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions

Via RHSA-2026:21741 https://access.redhat.com/errata/RHSA-2026:21741
Comment 8 errata-xmlrpc 2026-06-02 08:16:53 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:22424 https://access.redhat.com/errata/RHSA-2026:22424
Comment 9 errata-xmlrpc 2026-06-02 16:05:18 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7 Extended Lifecycle Support

Via RHSA-2026:22456 https://access.redhat.com/errata/RHSA-2026:22456
Comment 10 errata-xmlrpc 2026-06-04 11:12:55 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On

Via RHSA-2026:23254 https://access.redhat.com/errata/RHSA-2026:23254
Comment 11 errata-xmlrpc 2026-06-04 11:24:30 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.8 Telecommunications Update Service

Via RHSA-2026:23255 https://access.redhat.com/errata/RHSA-2026:23255
Comment 12 errata-xmlrpc 2026-06-04 22:07:49 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6 Extended Lifecycle Support  - EXTENSION

Via RHSA-2026:23496 https://access.redhat.com/errata/RHSA-2026:23496
Comment 13 errata-xmlrpc 2026-06-08 02:03:57 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On

Via RHSA-2026:24341 https://access.redhat.com/errata/RHSA-2026:24341
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