{"id":"CVE-2023-0433","title":"Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1225.","summary":"Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1225.","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"],"vendor":"neovim","product":"neovim","affected":["macos < 11.7.5","macos >= 12.0.0, < 12.6.4","macos >= 13.0, < 13.3","fedora = 36","fedora = 37","neovim >= 0.1.0, < 0.8.3","vim < 9.0.1225"],"patched":["macos 13.3","neovim 0.8.3","vim 9.0.1225"],"published":"2023-01-21","updated":"2026-09-24","sourceUpdated":"2026-09-24T15:54:56.850","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-0433","references":[{"url":"http://seclists.org/fulldisclosure/2023/Mar/17","label":"security@huntr.dev"},{"url":"http://seclists.org/fulldisclosure/2023/Mar/18","label":"security@huntr.dev"},{"url":"http://seclists.org/fulldisclosure/2023/Mar/21","label":"security@huntr.dev"},{"url":"https://github.com/vim/vim/commit/11977f917506d950b7e0cae558bd9189260b253b","label":"security@huntr.dev"},{"url":"https://huntr.dev/bounties/ae933869-a1ec-402a-bbea-d51764c6618e","label":"security@huntr.dev"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4EX6N2DB75A73MQGVW3CS4VTNPAYVM2M/","label":"security@huntr.dev"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PZWIJBSQX53P7DHV77KRXJIXA4GH7XHC/","label":"security@huntr.dev"},{"url":"https://support.apple.com/kb/HT213670","label":"security@huntr.dev"},{"url":"https://support.apple.com/kb/HT213675","label":"security@huntr.dev"},{"url":"https://support.apple.com/kb/HT213677","label":"security@huntr.dev"},{"url":"http://seclists.org/fulldisclosure/2023/Mar/17","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://seclists.org/fulldisclosure/2023/Mar/18","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://seclists.org/fulldisclosure/2023/Mar/21","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/vim/vim/commit/11977f917506d950b7e0cae558bd9189260b253b","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://huntr.dev/bounties/ae933869-a1ec-402a-bbea-d51764c6618e","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4EX6N2DB75A73MQGVW3CS4VTNPAYVM2M/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PZWIJBSQX53P7DHV77KRXJIXA4GH7XHC/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/kb/HT213670","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/kb/HT213675","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/kb/HT213677","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-0433.json"},{"url":"https://access.redhat.com/security/cve/CVE-2023-0433"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2163612"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-0433"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-0433"},{"url":"https://huntr.dev/bounties/ae933869-a1ec-402a-bbea-d51764c6618e/"}],"tags":["nvd","csaf","vex","red-hat"],"epss":0.00516,"epssPercentile":0.4375,"ingestedAt":"2026-09-24T16:47:15.808Z","slug":"CVE-2023-0433","body":"## Overview\n\nHeap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1225.\n\n## Affected\n\n- `macos < 11.7.5`\n- `macos >= 12.0.0, < 12.6.4`\n- `macos >= 13.0, < 13.3`\n- `fedora = 36`\n- `fedora = 37`\n- `neovim >= 0.1.0, < 0.8.3`\n- `vim < 9.0.1225`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `macos 13.3`\n- `neovim 0.8.3`\n- `vim 9.0.1225`\n\n## Vendor advisories\n\n- **Red Hat VEX** · Low · affected: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · updated 2026-09-24 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-0433.json)","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}