A flaw was found in GIMP's ICO file loader. When processing an ICO file containing an embedded PNG image, an integer overflow can occur during the calculation of the required buffer size. This leads to an undersized buffer being allocated, causing a heap-based buffer overflow when the decoded pixel data is written. A remote attacker could exploit this by crafting a malicious ICO file, which, when opened, could lead to arbitrary code execution or a crash.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade gimp-libsUpgrade gimp | Oct 11, 2026 | Oct 5, 2026 |
| Debian | — | Upgrade gimp | Sep 21, 2026 | Sep 14, 2026 |
| Redhat_linux | — | Upgrade gimp-libsUpgrade gimp-debugsourceUpgrade gimp-devel-tools-debuginfoNo solution existsUpgrade gimpUpgrade gimp-libs-debuginfoUpgrade gimp-debuginfo | Sep 16, 2026 | Sep 14, 2026 |
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