diff options
Diffstat (limited to 'libqpdf/QPDF.cc')
| -rw-r--r-- | libqpdf/QPDF.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libqpdf/QPDF.cc b/libqpdf/QPDF.cc index 8cff3dfd..01158ce2 100644 --- a/libqpdf/QPDF.cc +++ b/libqpdf/QPDF.cc @@ -1195,6 +1195,10 @@ QPDF::insertFreeXrefEntry(QPDFObjGen og) void QPDF::insertReconstructedXrefEntry(int obj, qpdf_offset_t f1, int f2) { + if (!(obj > 0 && 0 <= f2 && f2 < 65535)) { + QTC::TC("qpdf", "QPDF xref overwrite invalid objgen"); + return; + } QPDFObjGen og(obj, f2); if (!m->deleted_objects.count(obj)) { // deleted_objects stores the uncompressed objects removed from the xref table at the start |