{"id":"CVE-2026-27798","state":"PUBLISHED","title":"ImageMagick: Heap Buffer Over-read in WaveletDenoise when processing small images","description":"ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a heap buffer over-read vulnerability occurs when processing an image with small dimension using the `-wavelet-denoise` operator. Versions 7.1.2-15 and 6.9.13-40 contain a patch.","publishedAt":"2026-02-25T23:18:33.174Z","updatedAt":"2026-02-26T16:54:57.532Z","severity":{"score":4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["ImageMagick ImageMagick"],"affected":[{"vendor":"ImageMagick","product":"ImageMagick","versions":[{"version":"< 6.9.13-40","status":"affected"},{"version":">= 7.0.0, < 7.1.2-15","status":"affected"}]}],"references":["https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-qpgx-jfcq-r59f","https://github.com/ImageMagick/ImageMagick/commit/0377e60b3c0d766bd7271221c95d9ee54f6a3738","https://github.com/dlemstra/Magick.NET/releases/tag/14.10.3"],"weaknesses":["CWE-125","CWE-126"],"ingestedAt":"2026-10-29T20:11:31.369Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/27xxx/CVE-2026-27798.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-27798","state":"PUBLISHED","datePublished":"2026-02-25T23:18:33.174Z","dateUpdated":"2026-02-26T16:54:57.532Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-02-24T02:31:33.266Z"},"containers":{"cna":{"title":"ImageMagick: Heap Buffer Over-read in WaveletDenoise when processing small images","descriptions":[{"lang":"en","value":"ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a heap buffer over-read vulnerability occurs when processing an image with small dimension using the `-wavelet-denoise` operator. Versions 7.1.2-15 and 6.9.13-40 contain a patch."}],"affected":[{"vendor":"ImageMagick","product":"ImageMagick","versions":[{"version":"< 6.9.13-40","status":"affected"},{"version":">= 7.0.0, < 7.1.2-15","status":"affected"}]}],"references":[{"url":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-qpgx-jfcq-r59f","name":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-qpgx-jfcq-r59f","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/ImageMagick/ImageMagick/commit/0377e60b3c0d766bd7271221c95d9ee54f6a3738","name":"https://github.com/ImageMagick/ImageMagick/commit/0377e60b3c0d766bd7271221c95d9ee54f6a3738","tags":["x_refsource_MISC"]},{"url":"https://github.com/dlemstra/Magick.NET/releases/tag/14.10.3","name":"https://github.com/dlemstra/Magick.NET/releases/tag/14.10.3","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","lang":"en","description":"CWE-125: Out-of-bounds Read","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-126","lang":"en","description":"CWE-126: Buffer Over-read","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-02-25T23:18:33.174Z"},"source":{"advisory":"GHSA-qpgx-jfcq-r59f","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-26T16:54:43.926790Z","id":"CVE-2026-27798","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":"2026-02-26T16:54:57.532Z"}}]}}}