opensource/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-08-02 03:48:05 +08:00
Code Issues Packages Projects Releases Wiki Activity

prevent infinite loop and memcpy of negative amounts

Browse Source 
fixes issue194

Originally committed as revision 10726 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
2007-10-13 12:25:31 +00:00
parent 972c5f9e10
commit 4d570f94ba
2 changed files with 6 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
libavcodec/ac3_parser.c
View File

@ -114,6 +114,9 @@ static int ac3_sync(const uint8_t *buf, int *channels, int *sample_rate,
return 0; /* Currently don't support additional streams */
frmsiz = get_bits(&bits, 11) + 1;
if(frmsiz*2 < AC3_HEADER_SIZE)
return 0;
fscod = get_bits(&bits, 2);
if (fscod == 3) {
fscod2 = get_bits(&bits, 2);