{"id":"CVE-2026-56361","revision":"8fa534c3e19c43a59b81565d4975c4f2","records":[{"revision":"8fa534c3e19c43a59b81565d4975c4f2","observedAt":"2026-10-29T22:48:55.035+00:00","statement":{"source":"cve-program","id":"CVE-2026-56361","aliases":[],"title":"ImageMagick - Heap Buffer Overflow via Off-by-One in Morphology Processing","description":"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 memory access violations.","state":0,"publishedAt":"2026-06-30T22:08:36.159+00:00","modifiedAt":"2026-10-29T21:15:49.087+00:00","affected":[{"ecosystem":"Vendor product","name":"ImageMagick","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"ImageMagick\",\n                    \"product\": \"ImageMagick\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"7.0.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"7.1.2-19\"\n                        },\n                        {\n                            \"version\": \"7.1.2-19\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"ImageMagick","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"ImageMagick\",\n                    \"product\": \"ImageMagick\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"6.9.13-44\"\n                        },\n                        {\n                            \"version\": \"6.9.13-44\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","score":4.8,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","score":3.3,"severity":"LOW"}],"references":["https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-q8h3-jv9v-57qx","https://www.vulncheck.com/advisories/imagemagick-heap-buffer-overflow-via-off-by-one-in-morphology-processing"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-56361","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-56361","identifiers":["CVE-2026-56361"]},"retained":false,"historicalAffected":[]}],"coverage":[]}