dnsmasq 2.43 allows remote attackers to cause a denial of service (daemon crash) by (1) sending a DHCPINFORM while lacking a DHCP lease, or (2) attempting to renew a nonexistent DHCP lease for an invalid subnet as an "unknown client," a different vulnerability than CVE-2008-3214.
https://exchange.xforce.ibmcloud.com/vulnerabilities/43960
https://exchange.xforce.ibmcloud.com/vulnerabilities/43957
http://www.vupen.com/english/advisories/2008/2166
http://www.thekelleys.org.uk/dnsmasq/CHANGELOG
http://secunia.com/advisories/31197
http://article.gmane.org/gmane.network.dns.dnsmasq.general/2189