Source: gimp Version: 3.2.4-3 Severity: important Tags: security upstream Forwarded: https://gitlab.gnome.org/GNOME/gimp/-/work_items/16578 X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi, The following vulnerability was published for gimp. CVE-2026-78465[0]: | A flaw was found in the file-pcx plugin in GIMP, affecting 32-bit | builds only. When processing a PCX image file, the plugin calculates | memory allocation sizes based on the image dimensions and the number | of color planes. If a crafted file sets the number of planes to 4 | alongside sufficiently large dimensions, the calculation exceeds the | 32-bit integer limit and overflows, resulting in an undersized heap- | based buffer allocation. This integer overflow issue results in a | heap-based buffer overflow when the plugin subsequently writes image | data into the undersized buffer, causing memory corruption, | potentially leading to arbitrary code execution or a denial of | service. 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-2026-78465 https://www.cve.org/CVERecord?id=CVE-2026-78465 [1] https://gitlab.gnome.org/GNOME/gimp/-/work_items/16578 [2] https://gitlab.gnome.org/GNOME/gimp/-/commit/56e580c43a2de9c0005f57018013998999535e4d Please adjust the affected versions in the BTS as needed. Regards, Salvatore
