{"id":"CVE-2016-2515","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-2515","generatedAt":"2026-10-27T22:05:40.315Z","title":"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.","description":"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":"2016-04-13T16:59:13.000Z","lastModified":"2026-06-17T00:44:12.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"3.0","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"},"cwe":["CWE-399"],"affected":["hawk project/hawk"],"epss":{"score":0.0337,"percentile":0.88669,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (3.37%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.openwall.com/lists/oss-security/2016/02/20/1","source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2016/02/20/2","source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1309721","source":"secalert@redhat.com"},{"url":"https://github.com/hueniverse/hawk/commit/0833f99ba64558525995a7e21d4093da1f3e15fa","tags":["Patch"],"source":"secalert@redhat.com"},{"url":"https://github.com/hueniverse/hawk/issues/168","tags":["Patch"],"source":"secalert@redhat.com"},{"url":"https://nodesecurity.io/advisories/77","source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2016/02/20/1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2016/02/20/2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1309721","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/hueniverse/hawk/commit/0833f99ba64558525995a7e21d4093da1f3e15fa","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/hueniverse/hawk/issues/168","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://nodesecurity.io/advisories/77","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-2515","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}