The French Security Incident Response Team (FrSIRT) rated the flaws critical in an 0825 advisory. It described...
the flaws as:
The flaws affect Apple QuickTime 7.1.4 and prior. The solution is to upgrade to QuickTime 7.1.5.
Apple had previously updated QuickTime in January to fix a flaw that left users' machines open to bot infections.
That flaw was disclosed at the start of the year by the vulnerability researcher known as LMH. The researcher disclosed a variety of Apple flaws as part of his "Month of Apple Bugs" project.