diff options
| -rw-r--r-- | pdf/pdf_xref.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/pdf/pdf_xref.c b/pdf/pdf_xref.c index 0be3740f..b3455773 100644 --- a/pdf/pdf_xref.c +++ b/pdf/pdf_xref.c @@ -230,6 +230,9 @@ pdf_read_old_xref(pdf_document *xref, pdf_lexbuf *buf) fz_seek(xref->file, -(2 + (int)strlen(s)), 1); } + if (ofs < 0) + fz_throw(xref->ctx, "out of range object num in xref: %d", ofs); + /* broken pdfs where size in trailer undershoots entries in xref sections */ if (ofs + len > xref->len) { |