{"id":"CVE-2016-2515","aliases":["GHSA-jcpv-g9rr-qxrc"],"url":"https://o3.security/vulnerability/CVE-2016-2515","summary":"Regular Expression Denial of Service in hawk","details":"Hawk before 3.1.3 and 4.x before 4.1.1 allow remote attackers to cause a denial of service (CPU consumption or partial outage) via a long (1) header or (2) URI that is matched against an improper regular expression.","published":"2016-04-13T16:59:13.473Z","modified":"2026-07-08T05:48:56.264787519Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"hawk","fixedVersion":"4.1.1"},{"ecosystem":"npm","name":"hawk","fixedVersion":"3.1.3"}],"fix":{"url":"https://github.com/hueniverse/hawk/commit/0833f99ba64558525995a7e21d4093da1f3e15fa","label":"hueniverse/hawk@0833f99"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2016/02/20/1"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2016/02/20/2"},{"type":"ADVISORY","url":"https://nodesecurity.io/advisories/77"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1309721"},{"type":"FIX","url":"https://github.com/hueniverse/hawk/commit/0833f99ba64558525995a7e21d4093da1f3e15fa"},{"type":"FIX","url":"https://github.com/hueniverse/hawk/issues/168"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T05:48:56.264787519Z"}}