CVE-2026-66758

A flaw was found in the file-fits plugin in GIMP. When processing a FITS image file, the plugin calculates memory allocation sizes using signed 32-bit integers for width and height. If a crafted file sets both values to large values, their product exceeds 2^31 and overflows, resulting in an...

CVE-2026-66758

CVE-2026-66758 affects GIMP’s file-fits plugin, where the cfitsio-based code uses signed 32-bit integer math for width/height. If a crafted FITS image sets both values large enough, their product overflows 32 bits, causing an undersized heap allocation and a subsequent heap-based buffer overflow ...