{"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"}}}}

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{"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": "[email protected]"}], "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": "2026-09-29T17:17:07.323", "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": "[email protected]", "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": "[email protected]", "type": "Secondary"}]}, "published": "2026-09-29T17:17:07.323", "references": [{"source": "[email protected]", "url": "https://github.com/ImageMagick/ImageMagick"}, {"source": "[email protected]", "url": "https://github.com/ImageMagick/ImageMagick/blob/7.1.2-31/coders/gif.c#L1168-L1196"}, {"source": "[email protected]", "url": "https://github.com/ImageMagick/ImageMagick/commit/a0ca2c739c0216ff4efbd631d1ba7fd54dba1ff4"}, {"source": "[email protected]", "url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-rvv7-5mh8-vcfc"}, {"source": "[email protected]", "url": "https://github.com/ImageMagick/ImageMagick6/commit/95dc0fd21a684bfac2bdb6fb6638c0ab271adbe5"}, {"source": "[email protected]", "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": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-908"}], "source": "[email protected]", "type": "Primary"}]}

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