{"id":"CVE-2021-3770","aliases":["ALPINE-CVE-2021-3770","BELL-CVE-2021-3770","DEBIAN-CVE-2021-3770","EUVD-2021-27039","GHSA-qjvf-2fhp-q8rx","MGASA-2021-0432","OESA-2021-1344","UBUNTU-CVE-2021-3770","USN-5093-1"],"status":"published","title":"Heap-based Buffer Overflow in vim/vim","description":"vim is vulnerable to Heap-based Buffer 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Buffer Overflow in vim/vim","description":"vim is vulnerable to Heap-based Buffer Overflow","status":"published","published":"2021-09-06T00:00:00Z","modified":"2024-08-03T17:09:08.768Z","cvss":[{"version":"3.0","score":8.6,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:33:04.020035Z"}],"euvd":[{"id":"EUVD-2021-27039","description":"vim is vulnerable to Heap-based Buffer Overflow","status":"published","published":"2021-09-06T00:00:00Z","modified":"2024-08-03T17:09:08Z","cvss":[{"version":"3.0","score":8.6,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:25:11.953192Z"}],"ghsa":[{"id":"GHSA-qjvf-2fhp-q8rx","title":"vim is vulnerable to Heap-based Buffer Overflow","description":"vim is vulnerable to Heap-based Buffer 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vulnerable to Heap-based Buffer Overflow","status":"published","published":"2021-09-06T12:15:08.383Z","modified":"2026-10-23T18:03:37.869009057Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:35.521549Z"},{"id":"OESA-2021-1344","title":"vim security update","description":"Vim is an advanced text editor that seeks to provide the power of the de-facto Unix editor \u0026apos;Vi\u0026apos;, with a more complete feature set. Vim is a highly configurable text editor built to enable efficient text editing. It is an improved version of the vi editor distributed with most UNIX systems.\r\n\r\nSecurity Fix(es):\r\n\r\nvim is vulnerable to Heap-based Buffer Overflow(CVE-2021-3770)","status":"published","published":"2021-09-18T11:04:37Z","modified":"2026-08-18T01:15:37.261328863Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:38.987987Z"},{"id":"UBUNTU-CVE-2021-3770","description":"vim is vulnerable to Heap-based Buffer Overflow","status":"published","published":"2021-09-06T12:15:00Z","modified":"2026-02-04T03:43:45.706708Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.0","score":8.6,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:28.526929Z"},{"id":"MGASA-2021-0432","title":"Updated vim packages fix security vulnerability","description":"Using retab with large value may lead to heap buffer overflow\n","status":"published","published":"2021-09-23T04:49:29Z","modified":"2026-04-16T04:42:24.402011865Z","updated_at":"2026-11-02T15:49:41.849028Z"},{"id":"USN-5093-1","title":"vim vulnerabilities","description":"Brian Carpenter discovered that vim incorrectly handled memory\nwhen opening certain files. If a user was tricked into opening\na specially crafted file, a remote attacker could crash the\napplication, leading to a denial of service, or possibly execute\narbitrary code with user privileges. This issue only affected\nUbuntu 20.04 LTS and Ubuntu 21.04. (CVE-2021-3770)\n\nBrian Carpenter discovered that vim incorrectly handled memory\nwhen opening certain files. If a user was tricked into opening\na specially crafted file, a remote attacker could crash the\napplication, leading to a denial of service, or possibly execute\narbitrary code with user privileges. (CVE-2021-3778)\n\nDhiraj Mishra discovered that vim incorrectly handled memory\nwhen opening certain files. If a user was tricked into opening\na specially crafted file, a remote attacker could crash the\napplication, leading to a denial of service, or possibly execute\narbitrary code with user privileges. (CVE-2021-3796)\n","status":"published","published":"2021-09-28T10:46:15Z","modified":"2026-06-29T13:49:33.290705457Z","updated_at":"2026-11-02T16:58:15.683829Z"}]}}