{"id":"CVE-2021-3962","details":"A flaw was found in ImageMagick where it did not properly sanitize certain input before using it to invoke convert processes. This flaw allows an attacker to create a specially crafted image that leads to a use-after-free vulnerability when processed by ImageMagick. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.","modified":"2026-07-11T18:15:12.641354Z","published":"2021-11-19T17:15:08.733Z","database_specific":{"unresolved_ranges":[{"source":"CPE_STRING","vendor_product":"imagemagick:imagemagick","cpes":["cpe:2.3:a:imagemagick:imagemagick:7.1.0-14:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"7.1.0-14"},{"last_affected":"7.1.0-14"},{"introduced":"7.1.0-14"},{"last_affected":"7.1.0-14"}]}]},"references":[{"type":"ADVISORY","url":"https://github.com/ImageMagick/ImageMagick/issues/4446"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2023196"},{"type":"FIX","url":"https://github.com/ImageMagick/ImageMagick/commit/82775af03bbb10a0a1d0e15c0156c75673b4525e"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/imagemagick/imagemagick","events":[{"introduced":"0"},{"fixed":"82775af03bbb10a0a1d0e15c0156c75673b4525e"}],"database_specific":{"source":"REFERENCES"}}],"versions":["7.1.0-13","7.1.0-12","7.1.0-11","7.1.0-10","7.1.0-9","7.1.0-8","7.1.0-7","7.1.0-6","7.1.0-5","7.1.0-4","7.1.0-3","7.1.0-2","7.1.0-1","7.1.0-0","7.0.11-14","7.0.11-13","7.0.11-12","7.0.11-11","7.0.11-10","7.0.11-9","7.0.11-8","7.0.11-7","7.0.11-6","7.0.11-5","7.0.11-4","7.0.11-3","7.0.11-2","7.0.11-1","7.0.11-0","7.0.10-62","7.0.10-61","7.0.10-60","7.0.10-59","7.0.10-58","7.0.10-57","7.0.10-56","7.0.10-55","7.0.10-54","7.0.10-53","7.0.10-52","7.0.10-51","7.0.10-50","7.0.10-49","7.0.10-48","7.0.10-47","7.0.10-46","7.0.10-45","7.0.10-44","7.0.10-43","7.0.10-42","7.0.10-41","7.0.10-40","7.0.10-39","7.0.10-38","7.0.10-37","7.0.10-36","7.0.10-35","7.0.10-34","7.0.10-33","7.0.10-32","7.0.10-31","7.0.10-30","7.0.10-29","7.0.10-28","7.0.10-27","7.0.10-26","7.0.10-25","7.0.10-24","7.0.10-23","7.0.10-22","7.0.10-21","7.0.10-20","7.0.10-19","7.0.10-18","7.0.10-17","7.0.10-16","7.0.10-15","7.0.10-14","7.0.10-13","7.0.10-12","7.0.10-11","7.0.10-10","7.0.10-9","7.0.10-8","7.0.10-7","7.0.10-6","7.0.10-5","7.0.10-4","7.0.10-3","7.0.10-2","7.0.10-1","7.0.10-0","7.0.9-27","7.0.9-26","7.0.9-25","7.0.9-24","7.0.9-23","7.0.9-22","7.0.9-21","7.0.9-20","7.0.9-19","7.0.9-18","7.0.9-17","7.0.9-16","7.0.9-15","7.0.9-14","7.0.9-13","7.0.9-12","7.0.9-11","7.0.9-10","7.0.9-9","7.0.9-8","7.0.9-7","7.0.9-6","7.0.9-5","7.0.9-4","7.0.9-2","7.0.9-1","7.0.9-0","7.0.8-68","7.0.8-67","7.0.8-66","7.0.8-65","7.0.8-64","7.0.8-63","7.0.8-62","7.0.8-61","7.0.8-60","7.0.8-59","7.0.8-58","7.0.8-57","7.0.8-56","7.0.8-55","7.0.8-54","7.0.8-53","7.0.8-52","7.0.8-51","7.0.8-50","7.0.8-49","7.0.8-48","7.0.8-47","7.0.8-46","7.0.8-45","7.0.8-44","7.0.8-43","7.0.8-42","7.0.8-41","7.0.8-40","7.0.8-39","7.0.8-38","7.0.8-37","7.0.8-36","7.0.8-35","7.0.8-34","7.0.8-33","7.0.8-32","7.0.8-31","7.0.8-30","7.0.8-29","7.0.8-28","7.0.8-27","7.0.8-26","7.0.8-25","7.0.8-24","7.0.8-23","7.0.8-22","7.0.8-21","7.0.8-20","7.0.8-19","7.0.8-18","7.0.8-17","7.0.8-16","7.0.8-15","7.0.8-14","7.0.8-13","7.0.8-12","7.0.8-11","7.0.8-10","7.0.8-9","7.0.8-8","7.0.8-7","7.0.8-6","7.0.8-5","7.0.8-4","7.0.8-3","7.0.8-2","7.0.8-1","7.0.8-0","7.0.7-39","7.0.7-38","7.0.7-37","7.0.7-36","7.0.7-35","7.0.7-34","7.0.7-33","7.0.7-32","7.0.7-31","7.0.7-30","7.0.7-29","7.0.7-28","7.0.7-27","7.0.7-26","7.0.7-25","7.0.7-24","7.0.7-23","7.0.7-22","7.0.7-21","7.0.7-20","7.0.7-19","7.0.7-18","7.0.7-17","7.0.7-16","7.0.7-15","7.0.7-14","7.0.7-13","7.0.7-12","7.0.7-11","7.0.7-10","7.0.7-9","7.0.7-8","7.0.7.7","7.0.7-6","7.0.7-5","7.0.7-4","7.0.7-3","7.0.7-2","7.0.7-1","7.0.7-0","7.0.6-9","7.0.6-8","7.0.6-7","7.0.6-6","7.0.6-5","7.0.6-4","7.0.6-3","7.0.6-2","7.0.6-1","7.0.6-0","7.0.5-10","7.0.5-9","7.0.5-8","7.0.5-7","7.0.5-6","7.0.5-5","7.0.5-4","7.0.5-3","7.0.5-2","7.0.5-1","7.0.5-0","7.0.4-10","7.0.4-9","7.0.4-8","7.0.4-7","7.0.4-6","7.0.4-5","7.0.4-4","7.0.4-3","7.0.4-2","7.0.4-1","7.0.4-0","7.0.3-10","7.0.3-9","7.0.3-8","7.0.3-7","7.0.3-6","7.0.3-5","7.0.3-4","7.0.3-3","7.0.3-2","7.0.3-1","7.0.3-0","7.0.2-10","7.0.2-9","7.0.2-8","7.0.2-7","7.0.2-6","7.0.2-5","7.0.2-4","7.0.2-3","7.0.2-2","7.0.2-1","7.0.2-0","7.0.1-10","7.0.1-9","7.0.1-8","7.0.1-7","7.0.1-6","7.0.1-5","7.0.1-4","7.0.1-3","7.0.1-2","7.0.1-1","7.0.1-0"],"database_specific":{"vanir_signatures_modified":"2026-07-11T18:15:12Z","vanir_signatures":[{"signature_version":"v1","source":"https://github.com/imagemagick/imagemagick/commit/82775af03bbb10a0a1d0e15c0156c75673b4525e","target":{"file":"coders/dcm.c","function":"ReadDCMImage"},"deprecated":false,"digest":{"function_hash":"168201234120825407045811356471052558232","length":28099},"id":"CVE-2021-3962-4c4a4a80","signature_type":"Function"},{"deprecated":false,"digest":{"threshold":0.9,"line_hashes":["96365956146326091874962122126684256162","32941904576902578390634455902709202179","175020562535202099546215091863215473795","204637689310248593106512844224599847026","31196623183621358262108349599421664569","199031081146211321297465123523238945430","195907706849790379440031066911105007962"]},"id":"CVE-2021-3962-d545a7c7","signature_type":"Line","signature_version":"v1","source":"https://git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