diff --git a/src/metadata/sony.cpp b/src/metadata/sony.cpp
index 120340b..2e8dd49 100644
--- a/src/metadata/sony.cpp
+++ b/src/metadata/sony.cpp
@@ -1071,6 +1071,7 @@ void LibRaw::parseSonyMakernotes(
            (len >= 196))
   {
     table_buf = (uchar *)malloc(len);
+    memset(table_buf,0,len);
     fread(table_buf, len, 1, ifp);
 
     lid = 0x01 << 2;
@@ -1106,6 +1107,7 @@ void LibRaw::parseSonyMakernotes(
            (len >= 227))
   {
     table_buf = (uchar *)malloc(len);
+    memset(table_buf,0,len);
     fread(table_buf, len, 1, ifp);
 
     lid = 0x0;