1
0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00

avformat/xmv: Check this_packet_size

Fixes: CID1604489 Overflowed constant

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 696685df0c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2024-07-11 22:37:54 +02:00
parent cdf0627ee5
commit f65ed0f0e7
No known key found for this signature in database
GPG Key ID: B18E8928B3948D64

View File

@ -219,6 +219,8 @@ static int xmv_read_header(AVFormatContext *s)
/* Initialize the packet context */
xmv->next_packet_offset = avio_tell(pb);
if (this_packet_size < xmv->next_packet_offset)
return AVERROR_INVALIDDATA;
xmv->next_packet_size = this_packet_size - xmv->next_packet_offset;
xmv->stream_count = xmv->audio_track_count + 1;