Heap-based buffer overflow in quicktime.qts in CoreMedia and QuickTime in Apple Mac OS X before 10.6.3 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a malformed .3g2 movie file with H.263 encoding that triggers an incorrect buffer length calculation.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.036
EPSS Ranking 87.3%