CVE-2018-18020 describes a denial-of-service vulnerability in QPDF 8.2.1, specifically within the libqpdf/QPDFWriter.cc component, affecting the qpdf_project qpdf product. This flaw arises from recursive calls in QPDFWriter::unparseObject and QPDFWriter::unparseChild, which can be triggered by a specially crafted PDF file. The vulnerability has a low CVSS score of 3.3, indicating a low impact (denial of service) with local access and user interaction required. There is no evidence of active exploitation, no public exploit code available (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
8.2.1CPE matchmatch criteria | cpe:2.3:a:qpdf_project:qpdf:8.2.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.0 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.