The ip_evictor function in ip_fragment.c in libnids before 1.24, as used in dsniff and possibly other products, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via crafted fragmented packets.
freefr.dl.sourceforge.net/project/libnids/libnids/1.24/libnids-1.24.releasenotes.txt
lists.fedoraproject.org/pipermail/package-announce/2010-April/038375.html
lists.fedoraproject.org/pipermail/package-announce/2010-April/038388.html
lists.fedoraproject.org/pipermail/package-announce/2010-April/038410.html
secunia.com/advisories/39225
secunia.com/advisories/39249
www.securityfocus.com/bid/39142
www.vupen.com/english/advisories/2010/0777
www.vupen.com/english/advisories/2010/0791
xorl.wordpress.com/2010/04/04/libnids-ip-fragmentation-remote-null-pointer-dereference/
exchange.xforce.ibmcloud.com/vulnerabilities/57428