Vulnerability in Qpdf Project
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.
EPSS: 0.013 (67.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.
Affected products
- Qpdf_project Qpdf — versions 8.2.1
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, Issue Tracking)
- cve@mitre.org (mailing-list)
Frequently asked questions
- What is CVE-2018-18020?
- CVE-2018-18020 is a low-severity vulnerability in Qpdf Project, classified under Uncontrolled Recursion. CVSS score: 3.3/10. Published 2018-10-06.
- How severe is CVE-2018-18020?
- Low severity. CVSS v3 base score is 3.3 out of 10.
- Is CVE-2018-18020 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.