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From: Salvatore Bonaccorso <carnil@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: gimp: CVE-2026-78475
Message-ID: <178783500123.321595.15032140435463922198.reportbug@eldamar.lan>
X-Mailer: reportbug 13.2.0+nmu1
Date: Thu, 27 Aug 2026 14:50:01 +0200
Delivered-To: submit@bugs.debian.org

Source: gimp
Version: 3.2.4-3
Severity: important
Tags: security upstream
Forwarded: https://gitlab.gnome.org/GNOME/gimp/-/work_items/16580
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for gimp.

CVE-2026-78475[0]:
| A flaw was found in the file-pix (ESM) plugin in GIMP. When
| processing a specially crafted PIX image file, the plugin allocates
| a Variable-Length Array (VLA) on the stack without proper bounds
| checking, causing an unbounded stack allocation followed by a
| 21-byte stack over-read. This can result in a denial of service due
| to stack exhaustion and a limited information disclosure of stack
| memory contents into an intermediate file.


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-2026-78475
    https://www.cve.org/CVERecord?id=CVE-2026-78475
[1] https://gitlab.gnome.org/GNOME/gimp/-/work_items/16580
[2] https://gitlab.gnome.org/GNOME/gimp/-/commit/27d83534e637cf160f913ac6d6388d5a5555e9d8

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore
]