diff --git a/media/libstagefright/MPEG4Extractor.cpp b/media/libstagefright/MPEG4Extractor.cpp
index f76bc53..5fab865 100644
--- a/media/libstagefright/MPEG4Extractor.cpp
+++ b/media/libstagefright/MPEG4Extractor.cpp
@@ -2289,7 +2289,7 @@
 }
 
 status_t MPEG4Extractor::parseITunesMetaData(off64_t offset, size_t size) {
-    if (size < 4) {
+    if (size < 4 || size == SIZE_MAX) {
         return ERROR_MALFORMED;
     }