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| author | Luca Barbato <lu_zero@gentoo.org> | 2013-08-13 07:40:38 +0200 |
|---|---|---|
| committer | Luca Barbato <lu_zero@gentoo.org> | 2013-08-13 15:14:07 +0200 |
| commit | 5268bd2900effa59b51e0fede61aacde5e2f0b95 (patch) | |
| tree | 31204ed3fc0b7ced1c03ee4e84d868fb59064959 | |
| parent | 3562684db716d11de0b0dcc52748e9cd90d68132 (diff) | |
| download | ffmpeg-5268bd2900effa59b51e0fede61aacde5e2f0b95.tar.gz | |
segafilm: Error out on impossible packet size
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
| -rw-r--r-- | libavformat/segafilm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/segafilm.c b/libavformat/segafilm.c index 068d432083..adf24759c6 100644 --- a/libavformat/segafilm.c +++ b/libavformat/segafilm.c @@ -214,6 +214,8 @@ static int film_read_header(AVFormatContext *s) film->sample_table[i].sample_offset = data_offset + AV_RB32(&scratch[0]); film->sample_table[i].sample_size = AV_RB32(&scratch[4]); + if (film->sample_table[i].sample_size > INT_MAX / 4) + return AVERROR_INVALIDDATA; if (AV_RB32(&scratch[8]) == 0xFFFFFFFF) { film->sample_table[i].stream = film->audio_stream_index; film->sample_table[i].pts = audio_frame_counter; |