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Date: Sun, 20 Sep 2026 00:23:40 +0200
To: submit@bugs.debian.org
Subject: gimp: CVE-2026-90949
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From: =?UTF-8?Q?Moritz_M=C3=BChlenhoff?= <jmm@inutil.org>
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Source: gimp
X-Debbugs-CC: team@security.debian.org
Severity: grave
Tags: security

Hi,

The following vulnerability was published for gimp.

CVE-2026-90949[0]:
| A flaw was found in GIMP's PSP (Paint Shop Pro) file loader. When
| processing a compressed selection channel, a heap-based buffer
| overflow can occur due to a mismatch between the allocated buffer
| size and the amount of data decompressed. A remote attacker could
| exploit this vulnerability by crafting a malicious PSP file. Opening
| this file in GIMP could lead to a crash or arbitrary code execution.

https://gitlab.gnome.org/GNOME/gimp/-/work_items/16753
https://gitlab.gnome.org/GNOME/gimp/-/merge_requests/2998

Fixed by: https://gitlab.gnome.org/GNOME/gimp/-/commit/0ff8049449b00bdd906faad7fcea091de8aa00a5


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-2026-90949
    https://www.cve.org/CVERecord?id=CVE-2026-90949

Please adjust the affected versions in the BTS as needed.
]