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Case File

CVE-2018-18020

LOW · CVSS 3.3 EPSS 1.28% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2018-10-06 · Last synced 2026-08-04

CyberRota Analysis

This is a low severity vulnerability with a CVSS score of 3.3. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable. It may lead to a denial-of-service condition.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2018-18020
Severity
LOW
CVSS
3.3
EPSS
1.28%

Original NVD Description

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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)