{"id":"CVE-2026-109964","title":"ImageMagick before 7.1.2-33 and 6.9.13-58 contains a heap buffer underwrite vulnerability in DecodeImage() in coders/pict.c on 32-bit builds due to pointer arithmetic overflow","summary":"ImageMagick before 7.1.2-33 and 6.9.13-58 contains a heap buffer underwrite vulnerability in DecodeImage() in coders/pict.c on 32-bit builds due to pointer arithmetic overflow. Attackers can supply a crafted PICT file with maximized row,…","severity":"medium","cvss":5.6,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","cwe":["CWE-124"],"published":"2026-10-13","updated":"2026-10-13","sourceUpdated":"2026-10-13T20:39:48.767","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-109964","references":[{"url":"https://github.com/ImageMagick/ImageMagick","label":"disclosure@vulncheck.com"},{"url":"https://github.com/ImageMagick/ImageMagick/blob/7.1.2-32/coders/pict.c#L503-L540","label":"disclosure@vulncheck.com"},{"url":"https://github.com/ImageMagick/ImageMagick/commit/63dde0cf281383ab69432b88305f7dcd6a8ce900","label":"disclosure@vulncheck.com"},{"url":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-mqmp-r5jh-jx7w","label":"disclosure@vulncheck.com"},{"url":"https://github.com/ImageMagick/ImageMagick6/commit/c18c5d5fb7f1d87ddbe0a02e9d1207c89b24588c","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/imagemagick-before-7.1.2-33-and-6.9.13-58-heap-buffer-underwrite-in-pict-decoder","label":"disclosure@vulncheck.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-109964.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-109964"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2550562"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-109964"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109964"}],"tags":["nvd","csaf","vex","red-hat","cve.org"],"ingestedAt":"2026-10-13T14:29:01.857Z","vendor":"Red Hat","product":"Red Hat Enterprise Linux 6","affected":["enterprise_linux 6","enterprise_linux 7"],"scores":{"nvd":5.6,"vendor":7,"cna":5.6},"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-13T15:47:49.610741Z"},"epss":0.00361,"epssPercentile":0.29757,"slug":"CVE-2026-109964","body":"## Overview\n\nImageMagick before 7.1.2-33 and 6.9.13-58 contains a heap buffer underwrite vulnerability in DecodeImage() in coders/pict.c on 32-bit builds due to pointer arithmetic overflow. Attackers can supply a crafted PICT file with maximized row, column and bytes-per-line values to bypass bounds checks and write up to 128 controlled bytes below the heap buffer, causing crashes or code execution.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7 · updated 2026-10-13 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-109964.json)","depth":"sunlit","depthScore":31,"depthScoreParts":{"impact":30.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}