Bug 66425: Avoid exceptions found via poi-fuzz

Prevent a NullPointerException Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=69450 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1918985 13f79535-47bb-0310-9956-ffa450edef68
2026-02-27 20:40:08 +08:00 · 2024-07-07 06:40:31 +00:00 · 2024-07-07 06:40:31 +00:00 · 397cee3a12
commit 397cee3a12
parent 164c239a52
3 changed files with 3 additions and 0 deletions
--- a/poi-ooxml/src/main/java/org/apache/poi/xdgf/usermodel/section/geometry/NURBSTo.java
+++ b/poi-ooxml/src/main/java/org/apache/poi/xdgf/usermodel/section/geometry/NURBSTo.java
@ -67,6 +67,9 @@ public class NURBSTo implements GeometryRow {

        for (CellType cell : row.getCellArray()) {
            String cellName = cell.getN();
+            if (cellName == null) {
+                throw new POIXMLException("Invalid null-cell in NURBS row");
+            }

            switch (cellName) {
                case "X":
--- a/test-data/diagram/clusterfuzz-testcase-minimized-POIVisioFuzzer-4513310052515840.vsdx
+++ b/test-data/diagram/clusterfuzz-testcase-minimized-POIVisioFuzzer-4513310052515840.vsdx
--- a/test-data/spreadsheet/stress.xls
+++ b/test-data/spreadsheet/stress.xls