NetBSD 1.5 and earlier and FreeBSD 4.3 and earlier allows a remote attacker to cause a denial of service by sending a large number of IP fragments to the machine, exhausting the mbuf pool.Referenceshttps://exchange.xforce.ibmcloud.com/vulnerabilities/6636http://www.securityfocus.com/bid/2799ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2001-006.txt.ascftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:52.fragment.asc