{"id":"CVE-2022-39294","revision":null,"records":[{"revision":"82fadead0e2d439cb6a7d3e2b33c622e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2022-39294","aliases":[],"title":"(DoS) Denial of Service from unchecked request length in conduit-hyper","description":"conduit-hyper integrates a conduit application with the hyper server. Prior to version 0.4.2, `conduit-hyper` did not check any limit on a request's length before calling [`hyper::body::to_bytes`](https://docs.rs/hyper/latest/hyper/body/fn.to_bytes.html). An attacker could send a malicious request with an abnormally large `Content-Length`, which could lead to a panic if memory allocation failed for that request. In version 0.4.2, `conduit-hyper` sets an internal limit of 128 MiB per request, otherwise returning status 400 (\"Bad Request\"). This crate is part of the implementation of Rust's [crates.io](https://crates.io/), but that service is not affected due to its existing cloud infrastructure, which already drops such malicious requests. 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An attacker could send a malicious request with an abnormally large `Content-Length`, which could lead to a panic if memory allocation failed for that request. In version 0.4.2, `conduit-hyper` sets an internal limit of 128 MiB per request, otherwise returning status 400 (\"Bad Request\"). This crate is part of the implementation of Rust's [crates.io](https://crates.io/), but that service is not affected due to its existing cloud infrastructure, which already drops such malicious requests. 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Even with the new limit in place, `conduit-hyper` is not recommended for production use, nor to directly serve the public Internet.\n\nThe vulnerability was discovered by Ori Hollander from the JFrog Security Research team.","state":0,"publishedAt":"2022-10-31T18:44:47+00:00","modifiedAt":"2023-11-08T04:10:17.959579+00:00","affected":[{"ecosystem":"crates.io","name":"conduit-hyper","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0.2.0-alpha.3"},{"kind":"fixed","version":"0.4.2"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/conduit-rust/conduit-hyper/security/advisories/GHSA-9398-5ghf-7pr6","https://nvd.nist.gov/vuln/detail/CVE-2022-39294","https://github.com/conduit-rust/conduit-hyper/commit/4d225a53206505d39438ec6694e15f49c038baff","https://github.com/conduit-rust/conduit-hyper","https://rustsec.org/advisories/RUSTSEC-2022-0066.html"],"sourceUrl":"https://github.com/advisories/GHSA-9398-5ghf-7pr6","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-9398-5ghf-7pr6","identifiers":["GHSA-9398-5ghf-7pr6","CVE-2022-39294","RUSTSEC-2022-0066"]},"retained":false,"historicalAffected":[]},{"revision":"b7f50753bfd041ed86e0fc5a80781f49","observedAt":"2026-10-24T13:19:54.901+00:00","statement":{"source":"osv","id":"RUSTSEC-2022-0066","aliases":["CVE-2022-39294","GHSA-9398-5ghf-7pr6"],"title":"Denial of Service from unchecked request length","description":"Prior to version 0.4.2, `conduit-hyper` did not check any limit on a request's\nlength before calling `hyper::body::to_bytes`. 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