Pidgin before 2.10.8 allows remote MSN servers to cause a denial of service (NULL pointer dereference and crash) via a crafted (1) SOAP response, (2) OIM XML response, or (3) Content-Length header.
lists.opensuse.org/opensuse-updates/2014-02/msg00039.html
lists.opensuse.org/opensuse-updates/2014-03/msg00005.html
www.debian.org/security/2014/dsa-2859
www.pidgin.im/news/security/?id=75
www.pidgin.im/news/security/?id=76
www.pidgin.im/news/security/?id=77
www.ubuntu.com/usn/USN-2100-1
rhn.redhat.com/errata/RHSA-2014-0139.html