1 files changed, 5 insertions, 0 deletions
diff --git a/src/scratchpad/src/org/apache/poi/hmef/attribute/MAPIAttribute.java b/src/scratchpad/src/org/apache/poi/hmef/attribute/MAPIAttribute.java
index 695822909a..0533705c2e 100644
--- a/src/scratchpad/src/org/apache/poi/hmef/attribute/MAPIAttribute.java
+++ b/src/scratchpad/src/org/apache/poi/hmef/attribute/MAPIAttribute.java
@@ -166,6 +166,11 @@ public class MAPIAttribute {
          if(isMV || isVL) {
             values = LittleEndian.readInt(inp);
          }
+
+         if (type == Types.NULL && values > 1) {
+            throw new IOException("Placeholder/NULL arrays aren't supported.");
+         }
+
          for(int j=0; j<values; j++) {
             int len = getLength(type, inp);
             byte[] data = IOUtils.safelyAllocate(len, MAX_RECORD_LENGTH);