diff --git a/libavformat/asfdec_f.c b/libavformat/asfdec_f.c
index 775ef4067f..5ca9e981b6 100644
--- a/libavformat/asfdec_f.c
+++ b/libavformat/asfdec_f.c
@@ -516,7 +516,7 @@ static int asf_read_stream_properties(AVFormatContext *s, int64_t size)
         tag1                             = avio_rl32(pb);
         avio_skip(pb, 20);
         if (sizeX > 40) {
-            if (size < sizeX - 40)
+            if (size < sizeX - 40 || sizeX - 40 > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE)
                 return AVERROR_INVALIDDATA;
             st->codecpar->extradata_size = ffio_limit(pb, sizeX - 40);
             st->codecpar->extradata      = av_mallocz(st->codecpar->extradata_size +