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| author | Dominik Stadler <centic@apache.org> | 2024-07-14 11:27:02 +0000 |
|---|---|---|
| committer | Dominik Stadler <centic@apache.org> | 2024-07-14 11:27:02 +0000 |
| commit | 8be69305cac65b6f2b9016471bdd046edfc40182 (patch) | |
| tree | bc1bf26cdd49a25bc34fb204d2723df66b4f4683 /poi-ooxml/src/main/java | |
| parent | a0421651334ce1344b6085274ab4a7284a266bf5 (diff) | |
| download | poi-8be69305cac65b6f2b9016471bdd046edfc40182.tar.gz poi-8be69305cac65b6f2b9016471bdd046edfc40182.zip | |
Bug 66425: Avoid exceptions found via poi-fuzz
Prevent a NullPointerException
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=66400
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919216 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'poi-ooxml/src/main/java')
| -rw-r--r-- | poi-ooxml/src/main/java/org/apache/poi/xssf/usermodel/XSSFVMLDrawing.java | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/poi-ooxml/src/main/java/org/apache/poi/xssf/usermodel/XSSFVMLDrawing.java b/poi-ooxml/src/main/java/org/apache/poi/xssf/usermodel/XSSFVMLDrawing.java index 5d1932c908..475fcc7cc9 100644 --- a/poi-ooxml/src/main/java/org/apache/poi/xssf/usermodel/XSSFVMLDrawing.java +++ b/poi-ooxml/src/main/java/org/apache/poi/xssf/usermodel/XSSFVMLDrawing.java @@ -151,6 +151,11 @@ public final class XSSFVMLDrawing extends POIXMLDocumentPart { " xmlns=\""+NS_SPREADSHEETML+"\"", "") , xopt); + // ignore empty XML content in the stream which indicates severely broken parts in the workbook-file + if (root.getXml() == null) { + return; + } + try (XmlCursor cur = root.getXml().newCursor()) { for (boolean found = cur.toFirstChild(); found; found = cur.toNextSibling()) { XmlObject xo = cur.getObject(); |