squid/src/ftp.c in Squid before 2.6.STABLE7 allows remote FTP servers to cause a denial of service (core dump) via crafted FTP directory listing responses, possibly related to the (1) ftpListingFinish and (2) ftpHtmlifyListEntry functions.
https://exchange.xforce.ibmcloud.com/vulnerabilities/31523
http://www.vupen.com/english/advisories/2007/0199
http://www.ubuntu.com/usn/usn-414-1
http://www.trustix.org/errata/2007/0003/
http://www.squid-cache.org/bugs/show_bug.cgi?id=1857
http://www.squid-cache.org/Versions/v2/2.6/squid-2.6.STABLE7-RELEASENOTES.html#s12
http://www.securityfocus.com/bid/22079
http://www.novell.com/linux/security/advisories/2007_12_squid.html
http://www.mandriva.com/security/advisories?name=MDKSA-2007:026
http://www.gentoo.org/security/en/glsa/glsa-200701-22.xml
http://secunia.com/advisories/23946
http://secunia.com/advisories/23921
http://secunia.com/advisories/23889
http://secunia.com/advisories/23837
http://secunia.com/advisories/23810
http://secunia.com/advisories/23805