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-rw-r--r--libavcodec/h264_sei.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/h264_sei.c b/libavcodec/h264_sei.c
index 374e53dfcf..80d70e513c 100644
--- a/libavcodec/h264_sei.c
+++ b/libavcodec/h264_sei.c
@@ -169,11 +169,15 @@ int ff_h264_decode_sei(H264Context *h){
type=0;
do{
+ if (get_bits_left(&s->gb) < 8)
+ return -1;
type+= show_bits(&s->gb, 8);
}while(get_bits(&s->gb, 8) == 255);
size=0;
do{
+ if (get_bits_left(&s->gb) < 8)
+ return -1;
size+= show_bits(&s->gb, 8);
}while(get_bits(&s->gb, 8) == 255);