{"id":"CVE-2013-4366","aliases":["CLSA-2026-1793884176","CLSA-2026-1793886120","CLSA-2026-1793886295","CLSA-2026-1793886474","DEBIAN-CVE-2013-4366","EUVD-2022-4812","GHSA-pqwh-44jj-p5rm","UBUNTU-CVE-2013-4366"],"status":"published","title":"Hostname verification in Apache HttpClient 4.3 was disabled by default","description":"http/impl/client/HttpClientBuilder.java in Apache HttpClient 4.3.x before 4.3.1 does not ensure that X509HostnameVerifier is not null, which allows attackers to have unspecified impact via vectors involving hostname 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Tracking","Patch","Release Notes","Vendor Advisory","advisory","fix","report","web"]},{"url":"http://www.apache.org/dist/httpcomponents/httpclient/RELEASE_NOTES-4.3.x.txt","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Release Notes","Vendor Advisory","advisory","report","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-4366","tags":["advisory"]},{"url":"https://github.com/apache/httpcomponents-client/commit/08140864e3e4c0994e094c4cf0507932baf6a66","tags":["web"]},{"url":"https://github.com/advisories/GHSA-pqwh-44jj-p5rm"},{"url":"https://security-tracker.debian.org/tracker/CVE-2013-4366","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2013-4366","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-4366","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2013-4366","description":"http/impl/client/HttpClientBuilder.java in Apache HttpClient 4.3.x before 4.3.1 does not ensure that X509HostnameVerifier is not null, which allows attackers 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