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From: Salvatore Bonaccorso <carnil@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: gdk-pixbuf: CVE-2026-81893
Message-ID: <178792755761.517594.1994381047466048241.reportbug@eldamar.lan>
X-Mailer: reportbug 13.2.0+nmu1
Date: Fri, 28 Aug 2026 16:32:37 +0200
Delivered-To: submit@bugs.debian.org

Source: gdk-pixbuf
Version: 2.44.7+dfsg-1
Severity: important
Tags: security upstream
Forwarded: https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/merge_requests/278
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for gdk-ppixbuf.

CVE-2026-81893[0]:
| A flaw was found in gdk-pixbuf. When loading a specially crafted
| JPEG image containing chunked ICC profile markers, an error during
| ICC profile parsing can leave stale size metadata after the profile
| buffer is freed. A subsequent allocation in the same decode can
| cause an out-of-bounds write, potentially crashing the application.
| To exploit this flaw, an application using gdk-pixbuf must process
| the malicious JPEG image.  Affected version >= 2.26.4


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-2026-81893
    https://www.cve.org/CVERecord?id=CVE-2026-81893
[1] https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/merge_requests/278
[2] https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/efe658674bd103d1c9bf50809d5767a3f6dd5a01

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore
]