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authorMichael Niedermayer <michaelni@gmx.at>2005-01-12 00:16:25 +0000
committerMichael Niedermayer <michaelni@gmx.at>2005-01-12 00:16:25 +0000
commit0ecca7a49f8e254c12a3a1de048d738bfbb614c6 (patch)
tree816c7073739d918ca579171204e6d3caf9977da5 /libavcodec/vqavideo.c
parentf14d4e7e21c48967c1a877fa9c4eb9943d2c30f5 (diff)
downloadffmpeg-0ecca7a49f8e254c12a3a1de048d738bfbb614c6.tar.gz
various security fixes and precautionary checks
Originally committed as revision 3822 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/vqavideo.c')
-rw-r--r--libavcodec/vqavideo.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/vqavideo.c b/libavcodec/vqavideo.c
index ea86fb1086..fb0871e182 100644
--- a/libavcodec/vqavideo.c
+++ b/libavcodec/vqavideo.c
@@ -151,6 +151,10 @@ static int vqa_decode_init(AVCodecContext *avctx)
s->vqa_version = vqa_header[0];
s->width = LE_16(&vqa_header[6]);
s->height = LE_16(&vqa_header[8]);
+ if(avcodec_check_dimensions(avctx, s->width, s->height)){
+ s->width= s->height= 0;
+ return -1;
+ }
s->vector_width = vqa_header[10];
s->vector_height = vqa_header[11];
s->partial_count = s->partial_countdown = vqa_header[13];