CVE-2018-18020

LOW

qpdf 8.2.1 - Denial of Service via Recursive UnparseObject Calls

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Exploit, Issue Tracking, Third Party Advisory
https://github.com/qpdf/qpdf/issues/243

Scores

CVSS v3 3.3
EPSS 0.0128
EPSS Percentile 66.2%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Details

CWE
CWE-674
Status published
Products (1)
qpdf_project/qpdf 8.2.1
Published Oct 06, 2018
Tracked Since Feb 18, 2026