Gimp Security Update — AlmaLinux 9 (ALSA-2026:50817)

The GIMP (GNU Image Manipulation Program) is an image composition and editing program. GIMP provides a large image manipulation toolbox, including channel operations and layers, effects, sub-pixel imaging and anti-aliasing, and conversions, all with multi-level undo.

Security Fix(es):

* gimp: GIMP APNG loader heap-buffer-overflow when fcTL width exceeds IHDR width (file-png.c) (CVE-2026-42169)
* gimp: integer overflow in file-fits plugin causes a heap-based buffer overflow on crafted FITS images (CVE-2026-66758)
* gimp: out-of-bounds read in file-icns plugin causes information disclosure or crash on crafted ICNS images (CVE-2026-66759)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.