The MITRE CVE dictionary describes this issue as:
Unspecified vulnerability in KDE Konqueror 3.5.7 and earlier allows remote attackers to cause a denial of service (failed assertion and application crash) via certain malformed HTML, as demonstrated by a document containing TEXTAREA, BUTTON, BR, BDO, PRE, FRAMESET, and A tags. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
Find out more about CVE-2007-4229 from the
MITRE CVE dictionary dictionary and
NIST NVD.
Statement
Red Hat does not consider a crash of a client application such as Konqueror to be a security flaw.