CLSA-2025-1765012494 gimp: Fix of 2 CVEs

CVE-2025-10922: fix heap-based buffer overflow in DCM file parser by adding safety checks and proper GError handling to prevent potential RCE - CVE-2025-10934: fix heap-based buffer overflow in XWD file parser by validating colormap offsets to prevent potential RCE...

The vulnerability of the XWD File Parser component of the GIMP graphic editor allows a hacker to execute arbitrary code.

The vulnerability of the XWD File Parser component of the GIMP graphic editor is related to a numerical overflow condition. Exploiting this vulnerability could allow an attacker to execute arbitrary code...