diff --git a/libavformat/mpc8.c b/libavformat/mpc8.c
index 5def974564..10a7d9b54b 100644
--- a/libavformat/mpc8.c
+++ b/libavformat/mpc8.c
@@ -177,6 +177,10 @@ static void mpc8_parse_seektable(AVFormatContext *s, int64_t off)
         av_add_index_entry(s->streams[0], pos, i, 0, 0, AVINDEX_KEYFRAME);
     }
     for(; i < size; i++){
+        if (get_bits_left(&gb) < 13) {
+            av_free(buf);
+            return;
+        }
         t = get_unary(&gb, 1, 33) << 12;
         t += get_bits(&gb, 12);
         if(t & 1)