{"id":"CVE-2026-56361","title":"ImageMagick - Heap Buffer Overflow via Off-by-One in Morphology Processing","summary":"ImageMagick before 7.1.2-19 contains an off-by-one error in morphology validation allowing out-of-bounds heap buffer reads. Attackers can trigger heap buffer overflow by providing incorrect morphology parameters causing single pixel memo…","severity":"low","cvss":3.3,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","cvssSource":"cna","cwe":["CWE-125"],"vendor":"ImageMagick","product":"ImageMagick","affected":["ImageMagick >= 7.0.0 < 7.1.2-19","ImageMagick < 6.9.13-44"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-07-01T13:43:38.671271Z"},"published":"2026-06-30","updated":"2026-10-29","sourceUpdated":"2026-10-29T21:15:49.087Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-56361","references":[{"url":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-q8h3-jv9v-57qx","label":"GitHub Security Advisory (GHSA-q8h3-jv9v-57qx)"},{"url":"https://www.vulncheck.com/advisories/imagemagick-heap-buffer-overflow-via-off-by-one-in-morphology-processing","label":"VulnCheck Advisory: ImageMagick - Heap Buffer Overflow via Off-by-One in Morphology Processing"}],"tags":["cve.org"],"epss":0.00128,"epssPercentile":0.02454,"ingestedAt":"2026-11-03T08:39:35.558Z","slug":"CVE-2026-56361","body":"## Overview\n\nImageMagick before 7.1.2-19 contains an off-by-one error in morphology validation allowing out-of-bounds heap buffer reads. Attackers can trigger heap buffer overflow by providing incorrect morphology parameters causing single pixel memory access violations.\n\n## Affected\n\n- `ImageMagick >= 7.0.0 < 7.1.2-19`\n- `ImageMagick < 6.9.13-44`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":18,"depthScoreParts":{"impact":18.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}