{"id":"CVE-2026-33900","state":"PUBLISHED","title":"ImageMagick has a Heap overflow caused by integer overflow/wraparound in viff encoder on 32-bit builds","description":"ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below both 7.1.2-19 and 6.9.13-44, the viff encoder contains an integer truncation/wraparound issue on 32-bit builds that could trigger an out of bounds heap write, potentially causing a crash. This issue has been fixed in versions 6.9.13-44 and 7.1.2-19.","publishedAt":"2026-04-13T20:50:19.615Z","updatedAt":"2026-04-14T16:28:41.536Z","severity":{"score":5.9,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["ImageMagick ImageMagick"],"affected":[{"vendor":"ImageMagick","product":"ImageMagick","versions":[{"version":"< 6.9.13-44","status":"affected"},{"version":"< 7.1.2-19","status":"affected"}]}],"references":["https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-v67w-737x-v2c9","https://github.com/ImageMagick/ImageMagick/commit/d27b840a61b322419a66d0d192ff56d52498148d","https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19","https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0"],"weaknesses":["CWE-190"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/33xxx/CVE-2026-33900.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-33900","state":"PUBLISHED","datePublished":"2026-04-13T20:50:19.615Z","dateUpdated":"2026-04-14T16:28:41.536Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-03-24T15:41:47.490Z"},"containers":{"cna":{"title":"ImageMagick has a Heap overflow caused by integer overflow/wraparound in viff encoder on 32-bit builds","descriptions":[{"lang":"en","value":"ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below both 7.1.2-19 and 6.9.13-44, the viff encoder contains an integer truncation/wraparound issue on 32-bit builds that could trigger an out of bounds heap write, potentially causing a crash. This issue has been fixed in versions 6.9.13-44 and 7.1.2-19."}],"affected":[{"vendor":"ImageMagick","product":"ImageMagick","versions":[{"version":"< 6.9.13-44","status":"affected"},{"version":"< 7.1.2-19","status":"affected"}]}],"references":[{"url":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-v67w-737x-v2c9","name":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-v67w-737x-v2c9","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/ImageMagick/ImageMagick/commit/d27b840a61b322419a66d0d192ff56d52498148d","name":"https://github.com/ImageMagick/ImageMagick/commit/d27b840a61b322419a66d0d192ff56d52498148d","tags":["x_refsource_MISC"]},{"url":"https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19","name":"https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19","tags":["x_refsource_MISC"]},{"url":"https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0","name":"https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-190","lang":"en","description":"CWE-190: Integer Overflow or Wraparound","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-04-13T20:59:24.130Z"},"source":{"advisory":"GHSA-v67w-737x-v2c9","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-14T15:29:30.528868Z","id":"CVE-2026-33900","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-14T16:28:41.536Z"}}]}}}