Heap-based buffer overflow in OpenConnect 3.18 allows remote servers to cause a denial of service via a crafted greeting banner.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17242
http://www.infradead.org/openconnect/changelog.html
http://www.debian.org/security/2012/dsa-2495
http://lists.opensuse.org/opensuse-updates/2013-06/msg00186.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-May/079747.html