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From: Salvatore Bonaccorso <carnil@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: gimp: CVE-2026-59090
Message-ID: <178688613490.2075165.6763300356631341536.reportbug@eldamar.lan>
X-Mailer: reportbug 13.2.0+nmu1
Date: Sun, 16 Aug 2026 15:15:34 +0200
Delivered-To: submit@bugs.debian.org

Source: gimp
Version: 3.2.4-3
Severity: grave
Tags: security upstream
Forwarded: https://gitlab.gnome.org/GNOME/gimp/-/work_items/16509
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for gimp.

CVE-2026-59090[0]:
| A flaw was found in GIMP's PSD file format plugin. This
| vulnerability, an unsigned integer underflow in the `block_rem`
| variable, occurs when a user opens a specially crafted `.psd` image
| file. The underflow leads to parser confusion, enabling an attacker
| to inject arbitrary data as layer resource blocks. This can
| ultimately result in arbitrary code execution, allowing the attacker
| to run malicious code on the victim's system.

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-2026-59090
    https://www.cve.org/CVERecord?id=CVE-2026-59090
[1] https://gitlab.gnome.org/GNOME/gimp/-/work_items/16509
[2] https://gitlab.gnome.org/GNOME/gimp/-/commit/612c7e0a5775e7883789022c61f85a1c82c05505

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore
]