{"id":"CVE-2023-27567","aliases":["EUVD-2023-31316","GHSA-3v6w-73q2-w9pg"],"status":"published","title":"In OpenBSD 7.2, a TCP packet with destination port 0 that matches a pf divert-to rule can crash...","description":"In OpenBSD 7.2, a TCP packet with destination port 0 that matches a pf divert-to rule can crash the kernel.","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":0.00757,"percentile":0.55623,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2023-03-03T00:00:00Z","modified":"2026-10-28T10:38:37Z","products":[{"vendor":"openbsd","product":"openbsd"}],"references":[{"url":"https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/013_tcp.patch.sig","tags":["x_transferred","Patch","web"]},{"url":"https://github.com/openbsd/src/commit/0a543725ccdd2a01669122ce79bb67e66ede77f2","tags":["x_transferred","fix"]},{"url":"https://security.netapp.com/advisory/ntap-20230406-0001/","tags":["x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-27567","tags":["advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20230406-0001"},{"url":"https://github.com/advisories/GHSA-3v6w-73q2-w9pg"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/27xxx/CVE-2023-27567.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-27567","description":"In OpenBSD 7.2, a TCP packet with destination port 0 that matches a pf divert-to rule can crash the kernel.","status":"published","published":"2023-03-03T00:00:00Z","modified":"2025-03-06T16:41:51.886Z","cwes":["CWE-400"],"updated_at":"2026-11-02T14:35:26.261013Z"}],"euvd":[{"id":"EUVD-2023-31316","description":"In OpenBSD 7.2, a TCP packet with destination port 0 that matches a pf divert-to rule can crash the kernel.","status":"published","published":"2023-03-03T00:00:00Z","modified":"2025-03-06T16:41:51Z","cvss":[{"version":"","score":0,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"none"}],"updated_at":"2026-11-02T20:53:11.059252Z"}],"ghsa":[{"id":"GHSA-3v6w-73q2-w9pg","title":"In OpenBSD 7.2, a TCP packet with destination port 0 that matches a pf divert-to rule can crash...","description":"In OpenBSD 7.2, a TCP packet with destination port 0 that matches a pf divert-to rule can crash the kernel.","status":"published","published":"2023-03-04T00:30:16Z","modified":"2025-03-06T18:31:55Z","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"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:00:10.280872Z"}],"nvd":[{"id":"CVE-2023-27567","description":"In OpenBSD 7.2, a TCP packet with destination port 0 that matches a pf divert-to rule can crash the kernel.","status":"published","published":"2023-03-03T22:15:10.067Z","modified":"2026-06-17T05:45:28.643Z","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"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:07:48.342507Z"}],"osv":[{"id":"CVE-2023-27567","description":"In OpenBSD 7.2, a TCP packet with destination port 0 that matches a pf divert-to rule can crash the kernel.","status":"published","published":"2023-03-03T00:00:00Z","modified":"2026-10-28T10:38:37.975412685Z","updated_at":"2026-11-02T15:44:31.135751Z"}]}}