The Avahi daemon in Avahi before 0.6.20 allows attackers to cause a denial of service (exit) via empty TXT data over D-Bus, which triggers an assert error.
https://exchange.xforce.ibmcloud.com/vulnerabilities/35036
http://www.vupen.com/english/advisories/2007/2317
http://www.ubuntu.com/usn/usn-696-1
http://www.securitytracker.com/id?1018706
http://www.securityfocus.com/bid/24614
http://www.securityfocus.com/archive/1/472443/100/0/threaded
http://www.novell.com/linux/security/advisories/2007_14_sr.html
http://www.mandriva.com/security/advisories?name=MDKSA-2007:185
http://www.debian.org/security/2008/dsa-1690
http://secunia.com/advisories/33279
http://secunia.com/advisories/33220
http://secunia.com/advisories/26791
http://secunia.com/advisories/26083
http://secunia.com/advisories/25811