The MITRE CVE dictionary describes this issue as:
Argument injection vulnerability in Apple QuickTime 7.1.5 and earlier, when running on systems with Mozilla Firefox before 2.0.0.7 installed, allows remote attackers to execute arbitrary commands via a QuickTime Media Link (QTL) file with an embed XML element and a qtnext parameter containing the Firefox "-chrome" argument. NOTE: this is a related issue to CVE-2006-4965 and the result of an incomplete fix for CVE-2007-3670.
Find out more about CVE-2007-5045 from the
MITRE CVE dictionary dictionary and
NIST NVD.
Statement
Not vulnerable. These issues did not affect the versions of Firefox as shipped with Red Hat Enterprise Linux.