From 0ecca7a49f8e254c12a3a1de048d738bfbb614c6 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Wed, 12 Jan 2005 00:16:25 +0000
Subject: various security fixes and precautionary checks

Originally committed as revision 3822 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 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 3f752a1..d984a3b 100644
--- a/libavformat/segafilm.c
+++ b/libavformat/segafilm.c
@@ -231,6 +231,8 @@ static int film_read_packet(AVFormatContext *s,
         (film->video_type == CODEC_ID_CINEPAK)) {
         if (av_new_packet(pkt, sample->sample_size - film->cvid_extra_bytes))
             return AVERROR_NOMEM;
+        if(pkt->size < 10)
+            return -1;
         ret = get_buffer(pb, pkt->data, 10);
         /* skip the non-spec CVID bytes */
         url_fseek(pb, film->cvid_extra_bytes, SEEK_CUR);
-- 
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