wrapper/FFmpeg
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

avformat/ac4dec: Check remaining space in ac4_probe()

Browse source 
Fixes: CID1538298 Untrusted loop bound
Fixes: undefined behavior

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2f04cb673c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2024-05-23 01:43:42 +02:00
parent 2e632394dd
commit 18193cfadb
No known key found for this signature in database
GPG key ID: B18E8928B3948D64
1 changed files with 2 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

2
libavformat/ac4dec.c
View file

@ -42,6 +42,8 @@ static int ac4_probe(const AVProbeData *p)
size += 4;
if (buf[1] == 0x41)
size += 2;
if (left < size)
break;
max_frames++;
left -= size;
buf += size;