Bug 2476965 - CVE-2026-34003 tigervnc: X.Org X server: Information exposure and denial of service via out-of-bounds memory access [fedora-all]
Summary: CVE-2026-34003 tigervnc: X.Org X server: Information exposure and denial of s...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: tigervnc
Version: rawhide
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: ---
Assignee: Jan Grulich
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["912d2570-dfb8-4369-8f41-6...
Depends On:
Blocks: CVE-2026-34003
TreeView+ depends on / blocked
 
Reported: 2026-05-13 08:25 UTC by Abhishek Raj
Modified: 2026-06-27 00:55 UTC (History)
1 user (show)

Fixed In Version: tigervnc-1.16.2-4.fc44 tigervnc-1.16.2-4.fc43
Clone Of:
Environment:
Last Closed: 2026-06-23 01:08:29 UTC
Type: ---
Embargoed:


Attachments (Terms of Use)

Description Abhishek Raj 2026-05-13 08:25:47 UTC
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

Comment 1 Fedora Update System 2026-06-18 13:53:11 UTC
FEDORA-2026-ad10afa9cd (tigervnc-1.16.2-4.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-ad10afa9cd

Comment 2 Fedora Update System 2026-06-18 13:53:20 UTC
FEDORA-2026-e7c97d043e (tigervnc-1.16.2-4.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-e7c97d043e

Comment 3 Fedora Update System 2026-06-19 01:40:08 UTC
FEDORA-2026-ad10afa9cd has been pushed to the Fedora 43 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-ad10afa9cd`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-ad10afa9cd

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 4 Fedora Update System 2026-06-19 19:01:32 UTC
FEDORA-2026-e7c97d043e has been pushed to the Fedora 44 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-e7c97d043e`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-e7c97d043e

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 5 Fedora Update System 2026-06-23 01:08:29 UTC
FEDORA-2026-e7c97d043e (tigervnc-1.16.2-4.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 6 Fedora Update System 2026-06-27 00:55:56 UTC
FEDORA-2026-ad10afa9cd (tigervnc-1.16.2-4.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.


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