diff --git a/libavformat/apetag.c b/libavformat/apetag.c
index 2390bfaad3..41ba054d69 100644
--- a/libavformat/apetag.c
+++ b/libavformat/apetag.c
@@ -51,8 +51,10 @@ static int ape_tag_read_field(AVFormatContext *s)
         av_log(s, AV_LOG_WARNING, "Invalid APE tag key '%s'.\n", key);
         return -1;
     }
-    if (size >= UINT_MAX)
-        return -1;
+    if (size > INT32_MAX - FF_INPUT_BUFFER_PADDING_SIZE) {
+        av_log(s, AV_LOG_ERROR, "APE tag size too large.\n");
+        return AVERROR_INVALIDDATA;
+    }
     value = av_malloc(size+1);
     if (!value)
         return AVERROR(ENOMEM);