Vulnerability Database

299,759

Total vulnerabilities in the database

CVE-2018-18020

In QPDF 8.2.1, in libqpdf/QPDFWriter.cc, QPDFWriter::unparseObject and QPDFWriter::unparseChild have recursive calls for a long time, which allows remote attackers to cause a denial of service via a crafted PDF file.

  • Published: Oct 6, 2018
  • Updated: Nov 9, 2025
  • CVE: CVE-2018-18020
  • Severity: Low
  • Exploit:

CVSS v2:

  • Severity: Low
  • Score: 4.3
  • AV:N/AC:M/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
qpdf_project / qpdf 8.2.1 8.2.1.x