{"id":"CVE-2026-102635","title":"ImageMagick versions before 7.1.2-32 and 6.9.13-57 contain uninitialized heap memory disclosure in the GIF decoder's application extension handler in coders/gif.c","summary":"ImageMagick versions before 7.1.2-32 and 6.9.13-57 contain uninitialized heap memory disclosure in the GIF decoder's application extension handler in coders/gif.c. Attackers can craft malicious GIF files that cause the number parser to r…","severity":"low","cvss":3.7,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","cwe":["CWE-908"],"vendor":"imagemagick","product":"imagemagick","affected":["imagemagick < 6.9.13-57","imagemagick >= 7.0.0-0, < 7.1.2-32"],"patched":["imagemagick 7.1.2-32"],"published":"2026-09-29","updated":"2026-10-15","sourceUpdated":"2026-10-15T14:03:27.510","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-102635","references":[{"url":"https://github.com/ImageMagick/ImageMagick","label":"disclosure@vulncheck.com"},{"url":"https://github.com/ImageMagick/ImageMagick/blob/7.1.2-31/coders/gif.c#L1168-L1196","label":"disclosure@vulncheck.com"},{"url":"https://github.com/ImageMagick/ImageMagick/commit/a0ca2c739c0216ff4efbd631d1ba7fd54dba1ff4","label":"disclosure@vulncheck.com"},{"url":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-rvv7-5mh8-vcfc","label":"disclosure@vulncheck.com"},{"url":"https://github.com/ImageMagick/ImageMagick6/commit/95dc0fd21a684bfac2bdb6fb6638c0ab271adbe5","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/imagemagick-before-7.1.2-32-and-6.9.13-57-uninitialized-heap-memory-disclosure-in-gif-decoder","label":"disclosure@vulncheck.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-102635.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-102635"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2543290"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-102635"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-102635"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00323,"epssPercentile":0.25149,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-30T19:33:04.881413Z"},"ingestedAt":"2026-09-29T16:39:33.278Z","slug":"CVE-2026-102635","body":"## Overview\n\nImageMagick versions before 7.1.2-32 and 6.9.13-57 contain uninitialized heap memory disclosure in the GIF decoder's application extension handler in coders/gif.c. Attackers can craft malicious GIF files that cause the number parser to read uninitialized heap memory and store contents as image metadata, disclosing sensitive heap information.\n\n## Affected\n\n- `imagemagick < 6.9.13-57`\n- `imagemagick >= 7.0.0-0, < 7.1.2-32`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `imagemagick 7.1.2-32`\n\n## Vendor advisories\n\n- **Red Hat VEX** · Low · 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 2026-10-01 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-102635.json)","depth":"sunlit","depthScore":20,"depthScoreParts":{"impact":20.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}