diff --git a/poi-ooxml/src/main/java/org/apache/poi/xssf/usermodel/XSSFTextParagraph.java b/poi-ooxml/src/main/java/org/apache/poi/xssf/usermodel/XSSFTextParagraph.java
index f93c644744..55e52db3d8 100644
--- a/poi-ooxml/src/main/java/org/apache/poi/xssf/usermodel/XSSFTextParagraph.java
+++ b/poi-ooxml/src/main/java/org/apache/poi/xssf/usermodel/XSSFTextParagraph.java
@@ -836,7 +836,7 @@ public class XSSFTextParagraph implements Iterable<XSSFTextRun>{
     public ListAutoNumber getBulletAutoNumberScheme() {
         ParagraphPropertyFetcher<ListAutoNumber> fetcher = new ParagraphPropertyFetcher<ListAutoNumber>(getLevel()){
             public boolean fetch(CTTextParagraphProperties props){
-                if(props.isSetBuAutoNum()) {
+                if(props.isSetBuAutoNum() && props.getBuAutoNum().getType() != null) {
                     setValue(ListAutoNumber.values()[props.getBuAutoNum().getType().intValue() - 1]);
                     return true;
                 }
diff --git a/test-data/spreadsheet/clusterfuzz-testcase-minimized-POIXSSFFuzzer-6419366255919104.xlsx b/test-data/spreadsheet/clusterfuzz-testcase-minimized-POIXSSFFuzzer-6419366255919104.xlsx
new file mode 100644
index 0000000000..2a3a0d7d64
Binary files /dev/null and b/test-data/spreadsheet/clusterfuzz-testcase-minimized-POIXSSFFuzzer-6419366255919104.xlsx differ