GPAC version before commit 71460d72ec07df766dab0a4d52687529f3efcf0a (version v1.0.1 onwards) contains loop with unreachable exit condition ('infinite loop') vulnerability in ISOBMFF reader filter, isoffinread.c. Function isoffinprocess() can result in DoS by infinite loop. To exploit, the victim must open a specially crafted mp4 file.