{"id":"CVE-2026-56362","title":"ImageMagick - Heap-buffer-overflow Read in GetPixelIndex via OpenPixelCache Metadata Desynchronization","summary":"ImageMagick before 7.1.2-15 contains a heap-buffer-overflow read vulnerability in GetPixelIndex caused by OpenPixelCache updating image channel metadata before pixel cache memory allocation. Attackers can trigger memory and disk allocati…","severity":"low","cvss":3.3,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:L","cvssSource":"cna","cwe":["CWE-125"],"vendor":"ImageMagick","product":"ImageMagick","affected":["ImageMagick >= 7.0.0 < 7.1.2-15","ImageMagick < 6.9.13-40"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-07-08T16:41:35.114834Z"},"published":"2026-07-08","updated":"2026-10-29","sourceUpdated":"2026-10-29T21:15:49.790Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-56362","references":[{"url":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-gq5v-qf8q-fp77","label":"GitHub Security Advisory (GHSA-gq5v-qf8q-fp77)"},{"url":"https://www.vulncheck.com/advisories/imagemagick-heap-buffer-overflow-read-in-getpixelindex-via-openpixelcache-metadata-desynchronization","label":"VulnCheck Advisory: ImageMagick - Heap-buffer-overflow Read in GetPixelIndex via OpenPixelCache Metadata Desynchronization"}],"tags":["cve.org"],"epss":0.00189,"epssPercentile":0.08592,"ingestedAt":"2026-11-03T08:39:35.559Z","slug":"CVE-2026-56362","body":"## Overview\n\nImageMagick before 7.1.2-15 contains a heap-buffer-overflow read vulnerability in GetPixelIndex caused by OpenPixelCache updating image channel metadata before pixel cache memory allocation. Attackers can trigger memory and disk allocation failures to cause a heap-buffer-overflow read affecting any writer calling GetPixelIndex.\n\n## Affected\n\n- `ImageMagick >= 7.0.0 < 7.1.2-15`\n- `ImageMagick < 6.9.13-40`\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":[]}