GPAC version before commit 71460d72ec07df766dab0a4d52687529f3efcf0a (version v1.0.1 onwards) contains loop with unreachable exit condition ('infinite loop') vulnerability in ISOBMFF reader filter, isoffin_read.c. Function isoffin_process() can result in DoS by infinite loop. To exploit, the victim must open a specially crafted mp4 file.
Hi. There is an infinite loop bug in MP4Box. to reproduce, follow the command below with the attachment file.
```
./MP4Box -nhnt 1 hang_file -out /dev/nul
```
[hang_file.zip](https://github.com/gpac/gpac/files/6991064/hang_file.zip)

Credit : ADLab of Venustech
Infinite Loop in MP4Box
This is a GitHub Issue
repo:gpac
owner:gpac
Title : Infinite Loop in MP4Box
Issue date:

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Hi. There is an infinite loop bug in MP4Box. to reproduce, follow the command below with the attachment file.
```
./MP4Box -nhnt 1 hang_file -out /dev/nul
```
[hang_file.zip](https://github.com/gpac/gpac/files/6991064/hang_file.zip)

Credit : ADLab of Venustech
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