Merge pull request #1418 from ONLYOFFICE/fix/bug66504

Fix bug 66504
ONLYOFFICE · Feb 15, 2024 · c7df1bc · c7df1bc
2 parents 62481e5 + e78a4c8
commit c7df1bc
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/PdfFile/lib/xpdf/XRef.cc b/PdfFile/lib/xpdf/XRef.cc
@@ -422,6 +422,9 @@ GFileOffset XRef::getStartXref() {
   do {
     str->setPos(xrefSearchSize * nTry, -1);
     n = str->getBlock(buf, xrefSearchSize);
+    if (n <= 0) {
+      break;
+    }
     buf[n] = '\0';
 
     // find startxref