View at Official ubuntu advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2011-3326 medium priority: Ubuntu including 1 source packages (quagga), 6 status rows across 6 suites (hardy, lucid, maverick, natty, oneiric, upstream): released 5, ignored 1.
The ospf_flood function in ospf_flood.c in ospfd in Quagga before 0.99.19 allows remote attackers to cause a denial of service (daemon crash) via an invalid Link State Advertisement (LSA) type in an IPv4 Link State Update message.