{"id":"CVE-2026-82328","title":"Gimp: heap out-of-bounds read in ico loader via unvalidated used_clrs palette count","summary":"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 used_clrs (palette count) parameter. This incorrect validation leads to improper memory bounds…","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","cvssSource":"cna","cwe":["CWE-125"],"vendor":"GNOME","product":"gimp","affected":["gimp (all versions)","gimp","gimp (all versions)","gimp:2.8/gimp (all versions)","gimp (all versions)"],"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-08-28T16:07:33.937193Z"},"exploitAvailable":true,"published":"2026-08-28","updated":"2026-11-06","sourceUpdated":"2026-11-06T01:04:31.941Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-82328","references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-82328"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2525612","label":"RHBZ#2525612"},{"url":"https://gitlab.gnome.org/GNOME/gimp/-/work_items/16585"}],"tags":["cve.org","exploit-available"],"epss":0.00184,"epssPercentile":0.08029,"ingestedAt":"2026-11-06T01:43:15.124Z","slug":"CVE-2026-82328","body":"## Overview\n\nA 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 used_clrs (palette count) parameter. This incorrect validation leads to improper memory bounds checking, resulting in a heap out-of-bounds read. This issue can result in an application crash, leading to a denial of service or a limited information disclosure of heap memory contents.\n\n## Affected\n\n- `gimp (all versions)`\n- `gimp`\n- `gimp (all versions)`\n- `gimp:2.8/gimp (all versions)`\n- `gimp (all versions)`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n### Workarounds\n\nTo mitigate this vulnerability, do not open ICO files from untrusted sources with GIMP.","depth":"twilight","depthScore":46,"depthScoreParts":{"impact":33.6,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[]}