diff --git a/libavformat/id3v2.c b/libavformat/id3v2.c
index 336a3964de..97f6cc8a68 100644
--- a/libavformat/id3v2.c
+++ b/libavformat/id3v2.c
@@ -995,6 +995,8 @@ static void id3v2_parse(AVIOContext *pb, AVDictionary **metadata,
 
                     if (tlen <= 0)
                         goto seek;
+                    if (dlen / 32768 > tlen)
+                        goto seek;
 
                     av_fast_malloc(&uncompressed_buffer, &uncompressed_buffer_size, dlen);
                     if (!uncompressed_buffer) {