The clientProcessRequest() function in src/client_side.c in Squid 2.6 before 2.6.STABLE12 allows remote attackers to cause a denial of service (daemon crash) via crafted TRACE requests that trigger an assertion error.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10291
https://exchange.xforce.ibmcloud.com/vulnerabilities/33124
http://www.vupen.com/english/advisories/2007/1035
http://www.ubuntu.com/usn/usn-441-1
http://www.squid-cache.org/Versions/v2/2.6/changesets/11349.patch
http://www.squid-cache.org/Advisories/SQUID-2007_1.txt
http://www.securitytracker.com/id?1017805
http://www.securityfocus.com/bid/23085
http://www.redhat.com/support/errata/RHSA-2007-0131.html
http://www.novell.com/linux/security/advisories/2007_5_sr.html
http://www.mandriva.com/security/advisories?name=MDKSA-2007:068
http://security.gentoo.org/glsa/glsa-200703-27.xml
http://secunia.com/advisories/24911
http://secunia.com/advisories/24662
http://secunia.com/advisories/24625