{"cve":"CVE-2023-42805","nvd":{"published":"2023-09-21T17:15:23.353","modified":"2026-06-17T06:24:33.113","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-20"],"references":["https://github.com/quinn-rs/quinn/pull/1667","https://github.com/quinn-rs/quinn/pull/1668","https://github.com/quinn-rs/quinn/pull/1669","https://github.com/quinn-rs/quinn/security/advisories/GHSA-q8wc-j5m9-27w3","https://github.com/quinn-rs/quinn/pull/1667"],"products":["quinn_project:quinn"],"source":"nvd","synced_at":"2026-10-19T21:39:24.235896374+00:00"},"epss":{"cve":"CVE-2023-42805","score":0.00937,"percentile":0.60872,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-q8wc-j5m9-27w3","url":"https://osv.dev/vulnerability/GHSA-q8wc-j5m9-27w3","summary":"Denial of Service issue in quinn-proto","modified":"2026-09-10T03:50:03.182121202Z","packages":[{"ecosystem":"crates.io","name":"quinn-proto","purl":"pkg:cargo/quinn-proto","ranges":["<0.9.5"],"fixed":["0.9.5"]}]},{"id":"RUSTSEC-2023-0063","url":"https://osv.dev/vulnerability/RUSTSEC-2023-0063","summary":"Denial of service in Quinn servers","modified":"2024-02-10T15:57:43Z","packages":[{"ecosystem":"crates.io","name":"quinn-proto","purl":"pkg:cargo/quinn-proto","ranges":[">=0.0.0-0 <0.9.5",">=0.10.0-0 <0.10.5"],"fixed":["0.9.5","0.10.5"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}