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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> | 2013-08-24 16:47:57 +0200 |
| commit | 7c30ea500640e85a04ad5610197059b1b559a565 (patch) | |
| tree | 295db2ddef20aa2ddd35f508005d05083af01e75 | |
| parent | e2d32ad18e85016815dd26793abfab33bc6ef63e (diff) | |
| download | ffmpeg-7c30ea500640e85a04ad5610197059b1b559a565.tar.gz | |
segafilm: Error out on impossible packet size
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
(cherry picked from commit 5268bd2900effa59b51e0fede61aacde5e2f0b95)
Signed-off-by: Luca Barbato <lu_zero@gentoo.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; |