{"id":"CVE-2023-4738","title":"Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1848.","summary":"Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1848.","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-122","CWE-787"],"vendor":"neovim","product":"neovim","affected":["debian_linux = 11.0","neovim < 0.10.0","vim < 9.0.1848","macos = 14.0"],"patched":["neovim 0.10.0","vim 9.0.1848"],"published":"2023-09-02","updated":"2026-09-18","sourceUpdated":"2026-09-18T15:39:32.580","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-4738","references":[{"url":"http://seclists.org/fulldisclosure/2023/Oct/24","label":"security@huntr.dev"},{"url":"https://github.com/vim/vim/commit/ced2c7394aafdc90fb7845e09b3a3fee23d48cb1","label":"security@huntr.dev"},{"url":"https://huntr.dev/bounties/9fc7dced-a7bb-4479-9718-f956df20f612","label":"security@huntr.dev"},{"url":"https://support.apple.com/kb/HT213984","label":"security@huntr.dev"},{"url":"http://seclists.org/fulldisclosure/2023/Oct/24","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/vim/vim/commit/ced2c7394aafdc90fb7845e09b3a3fee23d48cb1","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://huntr.dev/bounties/9fc7dced-a7bb-4479-9718-f956df20f612","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00023.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/kb/HT213984","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00601,"epssPercentile":0.47177,"ingestedAt":"2026-09-18T15:44:31.548Z","slug":"CVE-2023-4738","body":"## Overview\n\nHeap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1848.\n\n## Affected\n\n- `debian_linux = 11.0`\n- `neovim < 0.10.0`\n- `vim < 9.0.1848`\n- `macos = 14.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `neovim 0.10.0`\n- `vim 9.0.1848`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}