{"id":"CVE-2021-45005","aliases":["DEBIAN-CVE-2021-45005","EUVD-2021-31803","GHSA-4ch9-x597-xpg3","UBUNTU-CVE-2021-45005","USN-7575-1","openSUSE-SU-2024:11851-1"],"status":"published","title":"Artifex MuJS v1.1.3 was discovered to contain a heap buffer overflow which is caused by...","description":"Artifex MuJS v1.1.3 was discovered to contain a heap buffer overflow which is caused by conflicting JumpList of nested try/finally statements.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01416,"percentile":0.72958,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2022-02-14T21:47:16Z","modified":"2026-10-23T18:04:39Z","fixes":[{"ecosystem":"Debian:12","package":"mujs","fixed_in":["1.1.3-4"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"mujs","fixed_in":["1.1.3-4"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"mujs","fixed_in":["1.1.3-4"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:22.04:LTS","package":"mujs","fixed_in":["1.1.3-3ubuntu0.1~esm1"],"sources":["osv"]},{"ecosystem":"openSUSE:Tumbleweed","package":"mujs","fixed_in":["1.2.0-2.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"mujs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.3-4"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"mujs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.3-4"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"mujs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.3-4"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"mujs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.3-3ubuntu0.1~esm1"}]}],"versions":["1.1.0-1","1.1.3-2","1.1.3-3"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"mujs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.3-3ubuntu0.1~esm1"}]}],"versions":["1.1.0-1","1.1.3-2","1.1.3-3"],"bundled":3},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"mujs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.0-2.1"}]}]}],"products":[{"vendor":"artifex","product":"mujs"}],"references":[{"url":"https://bugs.ghostscript.com/show_bug.cgi?id=704749","tags":["x_refsource_MISC","x_transferred","Permissions Required","report"]},{"url":"https://github.com/ccxvii/mujs/commit/df8559e7bdbc6065276e786217eeee70f28fce66","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-45005"},{"url":"https://github.com/advisories/GHSA-4ch9-x597-xpg3"},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-45005","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-45005","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-45005","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-7575-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-30974","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-30975","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2021-45005","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2021-45005","description":"Artifex MuJS v1.1.3 was discovered to contain a heap buffer overflow which is caused by conflicting JumpList of nested try/finally statements.","status":"published","published":"2022-02-14T21:47:16Z","modified":"2024-08-04T04:32:13.613Z","updated_at":"2026-11-02T14:33:02.580561Z"}],"euvd":[{"id":"EUVD-2021-31803","description":"Artifex MuJS v1.1.3 was discovered to contain a heap buffer overflow which is caused by conflicting JumpList of nested try/finally statements.","status":"published","published":"2022-02-14T21:47:16Z","modified":"2024-08-04T04:32:13Z","updated_at":"2026-11-03T03:08:28.023592Z"}],"ghsa":[{"id":"GHSA-4ch9-x597-xpg3","title":"Artifex MuJS v1.1.3 was discovered to contain a heap buffer overflow which is caused by...","description":"Artifex MuJS v1.1.3 was discovered to contain a heap buffer overflow which is caused by conflicting JumpList of nested try/finally statements.","status":"published","published":"2022-02-15T00:02:44Z","modified":"2023-02-03T05:05:44Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:53:47.32068Z"}],"nvd":[{"id":"CVE-2021-45005","description":"Artifex MuJS v1.1.3 was discovered to contain a heap buffer overflow which is caused by conflicting JumpList of nested try/finally statements.","status":"published","published":"2022-02-14T22:15:07.67Z","modified":"2026-06-17T04:13:02.623Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:04.6896Z"}],"osv":[{"id":"CVE-2021-45005","description":"Artifex MuJS v1.1.3 was discovered to contain a heap buffer overflow which is caused by conflicting JumpList of nested try/finally statements.","status":"published","published":"2022-02-14T22:15:07.67Z","modified":"2026-10-20T14:30:06.369267343Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:21.877444Z"},{"id":"DEBIAN-CVE-2021-45005","description":"Artifex MuJS v1.1.3 was discovered to contain a heap buffer overflow which is caused by conflicting JumpList of nested try/finally statements.","status":"published","published":"2022-02-14T22:15:07.67Z","modified":"2026-10-23T18:04:39.112939751Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:35.799676Z"},{"id":"UBUNTU-CVE-2021-45005","description":"Artifex MuJS v1.1.3 was discovered to contain a heap buffer overflow which is caused by conflicting JumpList of nested try/finally statements.","status":"published","published":"2022-02-14T22:15:00Z","modified":"2026-04-22T13:03:38.138138Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:30.277322Z"},{"id":"openSUSE-SU-2024:11851-1","title":"mujs-1.2.0-2.1 on GA media","description":"These are all security issues fixed in the mujs-1.2.0-2.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:16:03.997327Z","updated_at":"2026-11-02T16:58:35.485255Z"},{"id":"USN-7575-1","title":"mujs vulnerabilities","description":"It was discovered that MuJS did not correctly handle try/finally\nstatements, which could lead to a buffer overflow. An attacker could\npossibly use this issue to cause a denial of service or execute \narbitrary code. (CVE-2021-45005)\n\nHan Zheng discovered that MuJS did not correctly handle recursion, which\ncould lead to stack exhaustion. An attacker could possibly use this\nissue to cause a denial of service. (CVE-2022-30974)\n\nHan Zheng discovered that MuJS did not correctly handle certain memory\noperations. An attacker could possibly use this issue to cause a denial\nof service. (CVE-2022-30975)","status":"published","published":"2025-06-18T01:26:06Z","modified":"2026-04-27T18:03:45.186321Z","updated_at":"2026-11-02T16:58:19.988474Z"}]}}