{"id":"CVE-2019-19240","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-19240","generatedAt":"2026-10-27T20:20:35.073Z","title":"The GoAhead WebsRedirect uses a static host buffer that has a limited length and can overflow.","description":"Embedthis GoAhead before 5.0.1 mishandles redirected HTTP requests with a large Host header. The GoAhead WebsRedirect uses a static host buffer that has a limited length and can overflow. This can cause a copy of the Host header to fail, leaving that buffer uninitialized, which may leak uninitialized data in a response.","published":"2019-11-22T19:15:13.000Z","lastModified":"2026-06-17T02:26:21.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},"cwe":["CWE-787","CWE-908"],"affected":["embedthis/goahead"],"epss":{"score":0.01541,"percentile":0.7476,"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":"low","text":"Lower severity and a low EPSS score (1.54%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://github.com/embedthis/goahead/issues/289","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/embedthis/goahead/issues/290","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/embedthis/goahead/releases/tag/v5.0.1","tags":["Release Notes"],"source":"cve@mitre.org"},{"url":"https://github.com/embedthis/goahead/issues/289","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/embedthis/goahead/issues/290","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/embedthis/goahead/releases/tag/v5.0.1","tags":["Release Notes"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-19240","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."}