{"id":"CVE-2023-42805","aliases":["DEBIAN-CVE-2023-42805","EUVD-2023-2573","GHSA-q8wc-j5m9-27w3","RUSTSEC-2023-0063","UBUNTU-CVE-2023-42805"],"status":"published","title":"quinn-proto Denial of Service vulnerability","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.","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":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00937,"percentile":0.61287,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2023-09-21T12:00:00Z","modified":"2026-10-28T02:31:08Z","fixes":[{"ecosystem":"crates.io","package":"quinn-proto","fixed_in":["0.9.5","0.10.5"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:13","package":"rust-quinn-proto","fixed_in":["0.10.5-2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"rust-quinn-proto","fixed_in":["0.10.5-2"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"crates.io","package":"quinn-proto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.5"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"rust-quinn-proto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.10.2-1","0.10.5-1","0.10.5-2","0.10.6-1","0.11.13-1","0.11.14-1","0.11.16-1","0.11.19-1","0.11.9-1","0.11.9-2","0.11.9-3","0.9.2-2"]},{"source":"osv","ecosystem":"Debian:13","package":"rust-quinn-proto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.10.5-2"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"rust-quinn-proto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.10.5-2"}]}]},{"source":"osv","ecosystem":"crates.io","package":"quinn-proto","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.9.5"}]}]},{"source":"osv","ecosystem":"crates.io","package":"quinn-proto","ranges":[{"type":"SEMVER","events":[{"introduced":"0.0.0-0"},{"fixed":"0.9.5"},{"introduced":"0.10.0-0"},{"fixed":"0.10.5"}]}]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"rust-quinn-proto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.10.2-1","0.10.5-2","0.10.6-1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"rust-quinn-proto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.10.6-1","0.11.9-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"rust-quinn-proto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.11.9-3","0.11.14-1","0.11.16-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"rust-quinn-proto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.11.9-1","0.11.9-3"]}],"products":[{"vendor":"quinn-rs","product":"quinn"},{"vendor":"quinn_project","product":"quinn"}],"references":[{"url":"https://github.com/quinn-rs/quinn/security/advisories/GHSA-q8wc-j5m9-27w3","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web","report"]},{"url":"https://github.com/quinn-rs/quinn/pull/1667","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","fix","web","report"]},{"url":"https://github.com/quinn-rs/quinn/pull/1668","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","fix","web","report"]},{"url":"https://github.com/quinn-rs/quinn/pull/1669","tags":["x_refsource_MISC","x_transferred","Issue Tracking","fix","web","report"]},{"url":"https://rustsec.org/advisories/RUSTSEC-2023-0063.html","tags":["web","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-42805","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-q8wc-j5m9-27w3"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/42xxx/CVE-2023-42805.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2023-42805","tags":["advisory"]},{"url":"https://github.com/quinn-rs/quinn","tags":["package"]},{"url":"https://crates.io/crates/quinn-proto","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2023-42805","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-42805","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-42805","title":"quinn-proto Denial of Service vulnerability","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.","status":"published","published":"2023-09-21T16:39:56.35Z","modified":"2024-09-24T15:03:39.325Z","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":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:35:17.812395Z"}],"euvd":[{"id":"EUVD-2023-2573","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.","status":"published","published":"2023-09-21T16:39:56Z","modified":"2024-09-24T15:03:39Z","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"}],"updated_at":"2026-11-03T00:28:15.73715Z"}],"ghsa":[{"id":"GHSA-q8wc-j5m9-27w3","title":"Denial of Service issue in quinn-proto","description":"### Impact\n\nReceiving unknown QUIC frames in a QUIC packet could result in a panic.\n\n### Patches\n\nThe problem has been fixed in 0.9.5 and 0.10.5 maintenance releases.\n\n### References\n\nFixed in https://github.com/quinn-rs/quinn/pull/1667, backported in https://github.com/quinn-rs/quinn/pull/1668 and https://github.com/quinn-rs/quinn/pull/1669.","status":"published","published":"2023-09-21T17:16:54Z","modified":"2023-11-04T05:04:51Z","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-20"],"updated_at":"2026-11-02T14:37:12.407027Z"}],"nvd":[{"id":"CVE-2023-42805","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.","status":"published","published":"2023-09-21T17:15:23.353Z","modified":"2026-06-17T06:24:33.113Z","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":"secondary"},{"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-20"],"updated_at":"2026-11-02T14:08:29.595868Z"}],"osv":[{"id":"CVE-2023-42805","title":"quinn-proto Denial of Service vulnerability","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.","status":"published","published":"2023-09-21T16:39:56.35Z","modified":"2026-10-28T02:31:08.861069804Z","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-20"],"updated_at":"2026-11-02T15:44:33.792101Z"},{"id":"DEBIAN-CVE-2023-42805","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.","status":"published","published":"2023-09-21T17:15:23.353Z","modified":"2026-10-26T18:02:34.259623876Z","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"}],"updated_at":"2026-11-02T15:45:40.275853Z"},{"id":"GHSA-q8wc-j5m9-27w3","title":"Denial of Service issue in quinn-proto","description":"### Impact\n\nReceiving unknown QUIC frames in a QUIC packet could result in a panic.\n\n### Patches\n\nThe problem has been fixed in 0.9.5 and 0.10.5 maintenance releases.\n\n### References\n\nFixed in https://github.com/quinn-rs/quinn/pull/1667, backported in https://github.com/quinn-rs/quinn/pull/1668 and https://github.com/quinn-rs/quinn/pull/1669.","status":"published","published":"2023-09-21T17:16:54Z","modified":"2026-09-10T03:50:03.182121202Z","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-20"],"updated_at":"2026-11-02T15:46:54.40888Z"},{"id":"RUSTSEC-2023-0063","title":"Denial of service in Quinn servers","description":"Receiving QUIC frames containing a frame with unknown frame type could lead to a panic.\nUnfortunately this is issue was not found by our fuzzing infrastructure.\n\nThanks to the QUIC Tester research group for reporting this issue.","status":"published","published":"2023-09-21T12:00:00Z","modified":"2024-02-10T15:57:43Z","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"}],"updated_at":"2026-11-02T15:53:39.971022Z"},{"id":"UBUNTU-CVE-2023-42805","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.","status":"published","published":"2023-09-21T17:15:00Z","modified":"2026-10-17T12:56:42.032601355Z","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"},{"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"}],"updated_at":"2026-11-02T16:54:22.741943Z"}]}}