{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-40183", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-04-09T20:59:17.619Z", "datePublished": "2026-04-13T21:28:20.797Z", "dateUpdated": "2026-04-13T21:28:20.797Z"}, "containers": {"cna": {"title": "ImageMagick: Heap buffer overflow when encoding JXL image with a 16-bit float", "problemTypes": [{"descriptions": [{"cweId": "CWE-122", "lang": "en", "description": "CWE-122: Heap-based Buffer Overflow", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-jvgr-9ph5-m8v4", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-jvgr-9ph5-m8v4"}, {"name": "https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19", "tags": ["x_refsource_MISC"], "url": "https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19"}, {"name": "https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0"}], "affected": [{"vendor": "ImageMagick", "product": "ImageMagick", "versions": [{"version": "< 7.1.2-19", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-04-13T21:28:20.797Z"}, "descriptions": [{"lang": "en", "value": "ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-19, the JXL encoder has an heap write overflow when a user specifies that the image should be encoded as 16 bit floats. This issue has been fixed in version 7.1.2-19."}], "source": {"advisory": "GHSA-jvgr-9ph5-m8v4", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-19, the JXL encoder has an heap write overflow when a user specifies that the image should be encoded as 16 bit floats. This issue has been fixed in version 7.1.2-19."}], "id": "CVE-2026-40183", "lastModified": "2026-04-13T22:16:29.643", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-04-13T22:16:29.643", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19"}, {"source": "security-advisories@github.com", "url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-jvgr-9ph5-m8v4"}, {"source": "security-advisories@github.com", "url": "https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}