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From: Salvatore Bonaccorso <carnil@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: tigervnc: CVE-2026-34352
Message-ID: <177471762048.1379731.6717772710867250712.reportbug@eldamar.lan>
X-Mailer: reportbug 13.2.0
Date: Sat, 28 Mar 2026 18:07:00 +0100
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Source: tigervnc
Version: 1.15.0+dfsg-2
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for tigervnc.

CVE-2026-34352[0]:
| 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.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-34352
    https://www.cve.org/CVERecord?id=CVE-2026-34352
[1] https://groups.google.com/g/tigervnc-announce/c/anHL9WLshLI
[2] https://www.openwall.com/lists/oss-security/2026/03/26/7
[3] https://github.com/TigerVNC/tigervnc/commit/a3fbb54278ebe91bf573f44b32d64e78a33a4828

Regards,
Salvatore
]