CVE-2010-1674
The extended-community parser in bgpd in Quagga before 0.99.18 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a malformed Extended Communities attribute.
Date published : 2011-03-29
http://www.securityfocus.com/bid/46942
http://www.quagga.net/news2.php?y=2011&m=3&d=21#id1300723200