CVE-2026-82328 Gimp: heap out-of-bounds read in ico loader via unvalidated used_clrs palette count

A flaw was found in the file-ico plugin in GIMP. When processing a specially crafted ICO image file, the plugin does not properly validate the usedclrs palette count parameter. This incorrect validation leads to improper memory bounds checking, resulting in a heap out-of-bounds read. This issue c...