CVE-2013-4366
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 verification.
Date published : 2017-10-30
http://svn.apache.org/r1528614
http://www.apache.org/dist/httpcomponents/httpclient/RELEASE_NOTES-4.3.x.txt