{"id":"CVE-2023-42805","aliases":["GHSA-q8wc-j5m9-27w3","RUSTSEC-2023-0063"],"url":"https://o3.security/vulnerability/CVE-2023-42805","summary":"quinn-proto Denial of Service vulnerability","details":"quinn-proto is a state machine for the QUIC transport protocol. Prior to versions 0.9.5 and 0.10.5, receiving unknown QUIC frames in a QUIC packet could result in a panic. The problem has been fixed in 0.9.5 and 0.10.5 maintenance releases.","published":"2023-09-21T16:39:56.350Z","modified":"2026-08-08T03:47:46.941123075Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"crates.io","name":"quinn-proto","fixedVersion":"0.9.5"}],"fix":{"url":"https://github.com/quinn-rs/quinn/pull/1667","label":"quinn-rs/quinn#1667"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/42xxx/CVE-2023-42805.json"},{"type":"ADVISORY","url":"https://github.com/quinn-rs/quinn/security/advisories/GHSA-q8wc-j5m9-27w3"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-42805"},{"type":"FIX","url":"https://github.com/quinn-rs/quinn/pull/1667"},{"type":"FIX","url":"https://github.com/quinn-rs/quinn/pull/1668"},{"type":"FIX","url":"https://github.com/quinn-rs/quinn/pull/1669"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-08T03:47:46.941123075Z"}}