CentOS Errata and Security Advisory CESA-2014:1146
HttpClient is an HTTP/1.1 compliant HTTP agent implementation based on httpcomponents HttpCore.
It was discovered that the HttpClient incorrectly extracted host name from an X.509 certificate subject's Common Name (CN) field. A man-in-the-middle attacker could use this flaw to spoof an SSL server using a specially crafted X.509 certificate. (CVE-2014-3577)
For additional information on this flaw, refer to the Knowledgebase article in the References section.
All httpcomponents-client users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue.
Merged security bulletin from advisories: http://lists.centos.org/pipermail/centos-announce/2014-September/020530.html
Affected packages: httpcomponents-client httpcomponents-client-javadoc
Upstream details at: https://rhn.redhat.com/errata/RHSA-2014-1146.html