diff --git a/libavcodec/flicvideo.c b/libavcodec/flicvideo.c
index 126c4e1a04..7d2fd87647 100644
--- a/libavcodec/flicvideo.c
+++ b/libavcodec/flicvideo.c
@@ -181,6 +181,11 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx,
     /* iterate through the chunks */
     while ((frame_size > 0) && (num_chunks > 0)) {
         chunk_size = AV_RL32(&buf[stream_ptr]);
+        if (chunk_size > frame_size) {
+            av_log(avctx, AV_LOG_WARNING,
+                   "Invalid chunk_size = %u > frame_size = %u\n", chunk_size, frame_size);
+            chunk_size = frame_size;
+        }
         stream_ptr += 4;
         chunk_type = AV_RL16(&buf[stream_ptr]);
         stream_ptr += 2;