{"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":"2026-04-14T19:27:39.187Z"},"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"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-40183","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-04-14T19:07:54.582119Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-04-14T19:27:39.187Z"}}]}}