Buffer overflow in sgLog.c in squidGuard 1.3 and 1.4 allows remote attackers to cause a denial of service (application hang or loss of blocking functionality) via a long URL with many / (slash) characters, related to "emergency mode."
https://exchange.xforce.ibmcloud.com/vulnerabilities/53921
http://www.vupen.com/english/advisories/2010/1043
http://www.vupen.com/english/advisories/2009/3013
http://www.squidguard.org/Downloads/Patches/1.4/Readme.Patch-20091015
http://www.securityfocus.com/bid/36800
http://www.securityfocus.com/archive/1/507440/100/0/threaded
http://www.debian.org/security/2010/dsa-2040
http://securitytracker.com/id?1023079
http://secunia.com/advisories/39679
http://secunia.com/advisories/37107
http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html