ecma/kjs_html.cpp in KDE JavaScript (KJS), as used in Konqueror in KDE 3.5.5, allows remote attackers to cause a denial of service (crash) by accessing the content of an iframe with an ftp:// URI in the src attribute, probably due to a NULL pointer dereference.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10551
https://exchange.xforce.ibmcloud.com/vulnerabilities/32798
http://www.vupen.com/english/advisories/2007/0886
http://www.ubuntu.com/usn/usn-447-1
http://www.securityfocus.com/archive/1/461897/100/0/threaded
http://www.redhat.com/support/errata/RHSA-2007-0909.html
http://www.mandriva.com/security/advisories?name=MDKSA-2007:054
http://securityreason.com/securityalert/2345