{"id":"CVE-2021-20176","details":"A divide-by-zero flaw was found in ImageMagick 6.9.11-57 and 7.0.10-57 in gem.c. This flaw allows an attacker who submits a crafted file that is processed by ImageMagick to trigger undefined behavior through a division by zero. The highest threat from this vulnerability is to system availability.","modified":"2026-04-02T06:46:34.769541Z","published":"2021-02-06T00:15:12.920Z","related":["SUSE-SU-2021:0528-1","SUSE-SU-2021:3996-1","SUSE-SU-2023:4634-1","openSUSE-SU-2021:1583-1","openSUSE-SU-2021:3996-1"],"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2023/05/msg00020.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/03/msg00030.html"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1916610"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/imagemagick/imagemagick","events":[{"introduced":"0"},{"fixed":"4633fa36985e290a1306ffa5f2c3ea1c458e1133"}],"database_specific":{"versions":[{"introduced":"7.0.0-0"},{"fixed":"7.0.10-56"}]}},{"type":"GIT","repo":"https://github.com/imagemagick/imagemagick6","events":[{"introduced":"0"},{"fixed":"1afccc12e29c49c82c6881ccf1bb1e39c066fbf1"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"6.9.11-57"}]}}],"versions":["6.9.10-0","6.9.10-1","6.9.10-10","6.9.10-11","6.9.10-12","6.9.10-13","6.9.10-14","6.9.10-15","6.9.10-16","6.9.10-17","6.9.10-18","6.9.10-19","6.9.10-2","6.9.10-20","6.9.10-21","6.9.10-22","6.9.10-23","6.9.10-24","6.9.10-25","6.9.10-26","6.9.10-27","6.9.10-28","6.9.10-29","6.9.10-3","6.9.10-30","6.9.10-31","6.9.10-32","6.9.10-33","6.9.10-34","6.9.10-35","6.9.10-36","6.9.10-37","6.9.10-38","6.9.10-39","6.9.10-4","6.9.10-40","6.9.10-41","6.9.10-42","6.9.10-43","6.9.10-44","6.9.10-45","6.9.10-46","6.9.10-47","6.9.10-48","6.9.10-49","6.9.10-5","6.9.10-50","6.9.10-51","6.9.10-52","6.9.10-53","6.9.10-54","6.9.10-55","6.9.10-56","6.9.10-57","6.9.10-58","6.9.10-59","6.9.10-6","6.9.10-60","6.9.10-61","6.9.10-62","6.9.10-63","6.9.10-64","6.9.10-65","6.9.10-66","6.9.10-67","6.9.10-68","6.9.10-69","6.9.10-7","6.9.10-70","6.9.10-71","6.9.10-72","6.9.10-73","6.9.10-74","6.9.10-75","6.9.10-77","6.9.10-78","6.9.10-79","6.9.10-8","6.9.10-80","6.9.10-81","6.9.10-82","6.9.10-83","6.9.10-84","6.9.10-85","6.9.10-86","6.9.10-87","6.9.10-88","6.9.10-89","6.9.10-9","6.9.10-90","6.9.10-91","6.9.10-92","6.9.10-93","6.9.10-94","6.9.10-95","6.9.10-96","6.9.10-97","6.9.11-0","6.9.11-1","6.9.11-10","6.9.11-11","6.9.11-12","6.9.11-13","6.9.11-14","6.9.11-15","6.9.11-16","6.9.11-17","6.9.11-18","6.9.11-19","6.9.11-2","6.9.11-20","6.9.11-21","6.9.11-22","6.9.11-23","6.9.11-24","6.9.11-25","6.9.11-26","6.9.11-27","6.9.11-28","6.9.11-29","6.9.11-3","6.9.11-30","6.9.11-31","6.9.11-32","6.9.11-33","6.9.11-34","6.9.11-35","6.9.11-36","6.9.11-37","6.9.11-38","6.9.11-39","6.9.11-4","6.9.11-40","6.9.11-41","6.9.11-42","6.9.11-43","6.9.11-44","6.9.11-45","6.9.11-46","6.9.11-47","6.9.11-48","6.9.11-49","6.9.11-5","6.9.11-50","6.9.11-51","6.9.11-52","6.9.11-53","6.9.11-54","6.9.11-55","6.9.11-56","6.9.11-6","6.9.11-7","6.9.11-8","6.9.11-9","6.9.4-0","6.9.4-1","6.9.4-10","6.9.4-2","6.9.4-3","6.9.4-4","6.9.4-5","6.9.4-6","6.9.4-7","6.9.4-8","6.9.4-9","6.9.5-0","6.9.5-1","6.9.5-10","6.9.5-2","6.9.5-3","6.9.5-4","6.9.5-5","6.9.5-6","6.9.5-7","6.9.5-8","6.9.5-9","6.9.6-0","6.9.6-1","6.9.6-2","6.9.6-3","6.9.6-4","6.9.6-5","6.9.6-6","6.9.6-7","6.9.6-8","6.9.7-0","6.9.7-1","6.9.7-10","6.9.7-2","6.9.7-3","6.9.7-4","6.9.7-5","6.9.7-6","6.9.7-7","6.9.7-8","6.9.7-9","6.9.8-0","6.9.8-1","6.9.8-10","6.9.8-2","6.9.8-3","6.9.8-4","6.9.8-5","6.9.8-6","6.9.8-7","6.9.8-8","6.9.8-9","6.9.9-0","6.9.9-1","6.9.9-10","6.9.9-11","6.9.9-12","6.9.9-13","6.9.9-14","6.9.9-15","6.9.9-17","6.9.9-18","6.9.9-19","6.9.9-2","6.9.9-20","6.9.9-21","6.9.9-22","6.9.9-23","6.9.9-24","6.9.9-25","6.9.9-26","6.9.9-27","6.9.9-28","6.9.9-29","6.9.9-3","6.9.9-30","6.9.9-31","6.9.9-32","6.9.9-33","6.9.9-34","6.9.9-35","6.9.9-36","6.9.9-37","6.9.9-38","6.9.9-39","6.9.9-4","6.9.9-40","6.9.9-41","6.9.9-42","6.9.9-43","6.9.9-44","6.9.9-45","6.9.9-46","6.9.9-47","6.9.9-48","6.9.9-49","6.9.9-5","6.9.9-50","6.9.9-51","6.9.9-6","6.9.9-7","6.9.9-8","6.9.9-9","7.0.1-0","7.0.1-1","7.0.1-10","7.0.1-2","7.0.1-3","7.0.1-4","7.0.1-5","7.0.1-6","7.0.1-7","7.0.1-8","7.0.1-9","7.0.10-0","7.0.10-1","7.0.10-10","7.0.10-11","7.0.10-12","7.0.10-13","7.0.10-14","7.0.10-15","7.0.10-16","7.0.10-17","7.0.10-18","7.0.10-19","7.0.10-2","7.0.10-20","7.0.10-21","7.0.10-22","7.0.10-23","7.0.10-24","7.0.10-25","7.0.10-26","7.0.10-27","7.0.10-28","7.0.10-29","7.0.10-3","7.0.10-30","7.0.10-31","7.0.10-32","7.0.10-33","7.0.10-34","7.0.10-35","7.0.10-36","7.0.10-37","7.0.10-38","7.0.10-39","7.0.10-4","7.0.10-40","7.0.10-41","7.0.10-42","7.0.10-43","7.0.10-44","7.0.10-45","7.0.10-46","7.0.10-47","7.0.10-48","7.0.10-49","7.0.10-5","7.0.10-50","7.0.10-51","7.0.10-52","7.0.10-53","7.0.10-54","7.0.10-55","7.0.10-6","7.0.10-7","7.0.10-8","7.0.10-9","7.0.2-0","7.0.2-1","7.0.2-10","7.0.2-2","7.0.2-3","7.0.2-4","7.0.2-5","7.0.2-6","7.0.2-7","7.0.2-8","7.0.2-9","7.0.3-0","7.0.3-1","7.0.3-10","7.0.3-2","7.0.3-3","7.0.3-4","7.0.3-5","7.0.3-6","7.0.3-7","7.0.3-8","7.0.3-9","7.0.4-0","7.0.4-1","7.0.4-10","7.0.4-2","7.0.4-3","7.0.4-4","7.0.4-5","7.0.4-6","7.0.4-7","7.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