diff options
Diffstat (limited to 'libavformat/mvi.c')
| -rw-r--r-- | libavformat/mvi.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavformat/mvi.c b/libavformat/mvi.c index 2d4b11aa32..cfdbe5d273 100644 --- a/libavformat/mvi.c +++ b/libavformat/mvi.c @@ -120,6 +120,10 @@ static int read_packet(AVFormatContext *s, AVPacket *pkt) mvi->video_frame_size = (mvi->get_int)(pb); if (mvi->audio_size_left == 0) return AVERROR(EIO); + if (mvi->audio_size_counter + 512 > UINT64_MAX - mvi->audio_frame_size || + mvi->audio_size_counter + 512 + mvi->audio_frame_size >= ((uint64_t)INT32_MAX) << MVI_FRAC_BITS) + return AVERROR_INVALIDDATA; + count = (mvi->audio_size_counter + mvi->audio_frame_size + 512) >> MVI_FRAC_BITS; if (count > mvi->audio_size_left) count = mvi->audio_size_left; |