{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-102635", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-09-29T15:50:38.575Z", "datePublished": "2026-09-29T16:04:18.036Z", "dateUpdated": "2026-09-29T16:04:18.036Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-09-29T16:04:18.036Z"}, "datePublic": "2026-09-18T00:00:00.000Z", "title": "ImageMagick before 7.1.2-32 and 6.9.13-57 Uninitialized Heap Memory Disclosure in GIF Decoder", "descriptions": [{"lang": "en", "value": "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 read uninitialized heap memory and store contents as image metadata, disclosing sensitive heap information."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Use of Uninitialized Resource", "cweId": "CWE-908", "type": "CWE"}]}], "affected": [{"vendor": "ImageMagick", "product": "ImageMagick", "defaultStatus": "unaffected", "versions": [{"version": "7.0.0-0", "status": "affected", "versionType": "custom", "lessThan": "7.1.2-32"}, {"version": "0", "status": "affected", "versionType": "custom", "lessThan": "6.9.13-57"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.0.0-0", "versionEndExcluding": "7.1.2-32"}, {"vulnerable": true, "criteria": "cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.9.13-57"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.3, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW"}}], "references": [{"url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-rvv7-5mh8-vcfc", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-rvv7-5mh8-vcfc)"}, {"url": "https://github.com/ImageMagick/ImageMagick/commit/a0ca2c739c0216ff4efbd631d1ba7fd54dba1ff4", "tags": ["patch"]}, {"url": "https://github.com/ImageMagick/ImageMagick6/commit/95dc0fd21a684bfac2bdb6fb6638c0ab271adbe5", "tags": ["patch"]}, {"url": "https://github.com/ImageMagick/ImageMagick/blob/7.1.2-31/coders/gif.c#L1168-L1196", "tags": ["technical-description"]}, {"url": "https://github.com/ImageMagick/ImageMagick", "tags": ["product"]}, {"name": "VulnCheck Advisory: ImageMagick before 7.1.2-32 and 6.9.13-57 Uninitialized Heap Memory Disclosure in GIF Decoder", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/imagemagick-before-7.1.2-32-and-6.9.13-57-uninitialized-heap-memory-disclosure-in-gif-decoder"}], "credits": [{"lang": "en", "value": "idoprog", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "ImageMagick", "vendor": "ImageMagick", "versions": [{"lessThan": "7.1.2-32", "status": "affected", "version": "7.0.0-0", "versionType": "custom"}, {"lessThan": "6.9.13-57", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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 read uninitialized heap memory and store contents as image metadata, disclosing sensitive heap information."}], "id": "CVE-2026-102635", "lastModified": "2026-09-29T21:35:07.960", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "disclosure@vulncheck.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}]}, "published": "2026-09-29T17:17:07.323", "references": [{"source": "disclosure@vulncheck.com", "url": "https://github.com/ImageMagick/ImageMagick"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/ImageMagick/ImageMagick/blob/7.1.2-31/coders/gif.c#L1168-L1196"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/ImageMagick/ImageMagick/commit/a0ca2c739c0216ff4efbd631d1ba7fd54dba1ff4"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-rvv7-5mh8-vcfc"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/ImageMagick/ImageMagick6/commit/95dc0fd21a684bfac2bdb6fb6638c0ab271adbe5"}, {"source": "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"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-908"}], "source": "disclosure@vulncheck.com", "type": "Primary"}]}

{"bugzilla": {"description": "ImageMagick: ImageMagick: Information disclosure via crafted GIF file", "id": "2543290", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2543290"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.7", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "status": "draft"}, "cwe": "CWE-908", "details": ["A flaw was found in ImageMagick. An attacker could exploit this vulnerability by supplying a specially crafted GIF file to be processed by the application. During processing, the GIF decoder reads uninitialized heap memory and writes it into the image metadata, resulting in sensitive information disclosure."], "name": "CVE-2026-102635", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "ImageMagick", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "ImageMagick", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2026-09-29T16:04:18Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-102635\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-102635\nhttps://github.com/ImageMagick/ImageMagick\nhttps://github.com/ImageMagick/ImageMagick/blob/7.1.2-31/coders/gif.c#L1168-L1196\nhttps://github.com/ImageMagick/ImageMagick/commit/a0ca2c739c0216ff4efbd631d1ba7fd54dba1ff4\nhttps://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-rvv7-5mh8-vcfc\nhttps://github.com/ImageMagick/ImageMagick6/commit/95dc0fd21a684bfac2bdb6fb6638c0ab271adbe5\nhttps://www.vulncheck.com/advisories/imagemagick-before-7.1.2-32-and-6.9.13-57-uninitialized-heap-memory-disclosure-in-gif-decoder"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.0.0-0,7.1.2-32)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,6.9.13-57)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "ImageMagick", "source": "cna", "vendor": "ImageMagick"}, "product": "imagemagick", "vendor": "imagemagick"}], "created": "2026-09-29T18:00:14.285049+00:00", "updated": "2026-09-30T01:00:09.723987+00:00", "vendors": ["imagemagick", "imagemagick$PRODUCT$imagemagick"]}