{"id":"CVE-2021-20310","aliases":["ALPINE-CVE-2021-20310","EUVD-2021-7735","GHSA-g68g-qfgw-mffh","JLSEC-2026-885"],"status":"published","title":"A flaw was found in ImageMagick in versions before 7.0.11, where a division by zero...","description":"A flaw was found in ImageMagick in versions before 7.0.11, where a division by zero ConvertXYZToJzazbz() of MagickCore/colorspace.c may trigger undefined behavior via a crafted image file that is submitted by an attacker and processed by an application using ImageMagick. The highest threat from this vulnerability is to system availability.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01287,"percentile":0.70545,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-369"],"published":"2021-05-11T22:30:40Z","modified":"2026-11-03T06:32:46Z","fixes":[{"ecosystem":"Alpine:v3.13","package":"imagemagick","fixed_in":["7.0.11.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"imagemagick","fixed_in":["7.0.11.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"imagemagick","fixed_in":["7.0.11.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"imagemagick","fixed_in":["7.0.11.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"imagemagick","fixed_in":["7.0.11.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"imagemagick","fixed_in":["7.0.11.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"imagemagick","fixed_in":["7.0.11.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"imagemagick","fixed_in":["7.0.11.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"imagemagick","fixed_in":["7.0.11.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"imagemagick","fixed_in":["7.0.11.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"imagemagick","fixed_in":["7.0.11.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"imagemagick","fixed_in":["7.0.11.1-r0"],"sources":["osv"]},{"ecosystem":"Julia","package":"ImageMagick_jll","fixed_in":["7.1.0+0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.13","package":"imagemagick","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.11.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.14","package":"imagemagick","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.11.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.15","package":"imagemagick","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.11.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"imagemagick","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.11.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"imagemagick","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.11.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"imagemagick","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.11.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"imagemagick","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.11.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"imagemagick","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.11.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"imagemagick","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.11.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"imagemagick","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.11.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"imagemagick","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.11.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"imagemagick","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.11.1-r0"}]}]},{"source":"osv","ecosystem":"Julia","package":"ImageMagick_jll","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"7.1.0+0"}]}]}],"products":[{"vendor":"imagemagick","product":"imagemagick"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1946728","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20310"},{"url":"https://github.com/advisories/GHSA-g68g-qfgw-mffh"},{"url":"https://security.alpinelinux.org/vuln/CVE-2021-20310","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2021-20310","description":"A flaw was found in ImageMagick in versions before 7.0.11, where a division by zero ConvertXYZToJzazbz() of MagickCore/colorspace.c may trigger undefined behavior via a crafted image file that is submitted by an attacker and processed by an application using ImageMagick. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-05-11T22:30:40Z","modified":"2024-08-03T17:37:23.635Z","cwes":["CWE-369"],"updated_at":"2026-11-02T14:32:55.19484Z"}],"euvd":[{"id":"EUVD-2021-7735","description":"A flaw was found in ImageMagick in versions before 7.0.11, where a division by zero ConvertXYZToJzazbz() of MagickCore/colorspace.c may trigger undefined behavior via a crafted image file that is submitted by an attacker and processed by an application using ImageMagick. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-05-11T22:30:40Z","modified":"2024-08-03T17:37:23Z","updated_at":"2026-11-03T03:25:08.888273Z"}],"ghsa":[{"id":"GHSA-g68g-qfgw-mffh","title":"A flaw was found in ImageMagick in versions before 7.0.11, where a division by zero...","description":"A flaw was found in ImageMagick in versions before 7.0.11, where a division by zero ConvertXYZToJzazbz() of MagickCore/colorspace.c may trigger undefined behavior via a crafted image file that is submitted by an attacker and processed by an application using ImageMagick. The highest threat from this vulnerability is to system availability.","status":"published","published":"2022-05-24T19:02:17Z","modified":"2023-01-29T05:06:41Z","cwes":["CWE-369"],"updated_at":"2026-11-02T14:46:04.961867Z"}],"nvd":[{"id":"CVE-2021-20310","description":"A flaw was found in ImageMagick in versions before 7.0.11, where a division by zero ConvertXYZToJzazbz() of MagickCore/colorspace.c may trigger undefined behavior via a crafted image file that is submitted by an attacker and processed by an application using ImageMagick. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-05-11T23:15:08.77Z","modified":"2026-06-17T03:33:39Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-369"],"updated_at":"2026-11-02T14:06:53.343329Z"}],"osv":[{"id":"ALPINE-CVE-2021-20310","description":"A flaw was found in ImageMagick in versions before 7.0.11, where a division by zero ConvertXYZToJzazbz() of MagickCore/colorspace.c may trigger undefined behavior via a crafted image file that is submitted by an attacker and processed by an application using ImageMagick. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-05-11T23:15:08.77Z","modified":"2026-11-03T06:32:46.315415112Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T07:16:46.202932Z"},{"id":"CVE-2021-20310","description":"A flaw was found in ImageMagick in versions before 7.0.11, where a division by zero ConvertXYZToJzazbz() of MagickCore/colorspace.c may trigger undefined behavior via a crafted image file that is submitted by an attacker and processed by an application using ImageMagick. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-05-11T23:15:08.77Z","modified":"2026-10-24T10:31:05.382722485Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:18.004149Z"},{"id":"JLSEC-2026-885","description":"A flaw was found in ImageMagick in versions before 7.0.11, where a division by zero ConvertXYZToJzazbz() of `MagickCore/colorspace.c` may trigger undefined behavior via a crafted image file that is submitted by an attacker and processed by an application using ImageMagick. The highest threat from this vulnerability is to system availability.","status":"published","published":"2026-07-30T16:02:27.435Z","modified":"2026-07-30T18:23:56.767618467Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:47:19.003546Z"}]}}