Stack-based buffer overflow in the new_msg_lsa_change_notify function in the OSPFD API (ospf_api.c) in Quagga before 0.99.22.2, when --enable-opaque-lsa and the -a command line option are used, allows remote attackers to cause a denial of service (crash) via a large LSA.
http://www.ubuntu.com/usn/USN-2941-1
http://www.securityfocus.com/bid/60955
http://www.debian.org/security/2013/dsa-2803
http://seclists.org/oss-sec/2013/q3/24
http://rhn.redhat.com/errata/RHSA-2017-0794.html
http://nongnu.mirrors.hostinginnederland.nl//quagga/quagga-0.99.22.3.changelog.txt
http://lists.quagga.net/pipermail/quagga-dev/2013-July/010622.html