Author: tilman Date: Wed Jul 23 11:21:12 2025 New Revision: 1927434 Log: PDFBOX-6037: avoid OOM, as suggested by David Justamante and Michael Klink
Modified: pdfbox/branches/3.0/pdfbox/src/main/java/org/apache/pdfbox/pdfparser/PDFXrefStreamParser.java Modified: pdfbox/branches/3.0/pdfbox/src/main/java/org/apache/pdfbox/pdfparser/PDFXrefStreamParser.java ============================================================================== --- pdfbox/branches/3.0/pdfbox/src/main/java/org/apache/pdfbox/pdfparser/PDFXrefStreamParser.java Wed Jul 23 10:49:06 2025 (r1927433) +++ pdfbox/branches/3.0/pdfbox/src/main/java/org/apache/pdfbox/pdfparser/PDFXrefStreamParser.java Wed Jul 23 11:21:12 2025 (r1927434) @@ -85,6 +85,11 @@ public class PDFXrefStreamParser extends { throw new IOException("Incorrect /W array in XRef: " + Arrays.toString(w)); } + if (w[0] + w[1] + w[2] > 20) + { + // PDFBOX-6037 + throw new IOException("Incorrect /W array in XRef: " + Arrays.toString(w)); + } COSArray indexArray = stream.getCOSArray(COSName.INDEX); if (indexArray == null)