From 5268bd2900effa59b51e0fede61aacde5e2f0b95 Mon Sep 17 00:00:00 2001 From: Luca Barbato Date: Tue, 13 Aug 2013 07:40:38 +0200 Subject: segafilm: Error out on impossible packet size Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: libav-stable@libav.org --- libavformat/segafilm.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'libavformat/segafilm.c') 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; -- cgit v1.2.3