{"id":"CVE-2017-18587","aliases":["GHSA-q89x-f52w-6hj2","RUSTSEC-2017-0002"],"url":"https://o3.security/vulnerability/CVE-2017-18587","summary":"Headers containing newline characters can split messages in hyper","details":"An issue was discovered in the hyper crate before 0.9.18 for Rust. It mishandles newlines in headers.","published":"2019-08-26T13:15:10.993Z","modified":"2026-07-08T15:11:00.969420Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"crates.io","name":"hyper","fixedVersion":"0.10.2"},{"ecosystem":"crates.io","name":"hyper","fixedVersion":"0.9.18"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://rustsec.org/advisories/RUSTSEC-2017-0002.html"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T15:11:00.969420Z"}}