Is CVE-2018-18020 actively exploited?

CVE-2018-18020 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2018-18020?

CVE-2018-18020 has a CVSS score of 3.3 (LOW severity). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.

How do I patch CVE-2018-18020?

Patch guidance is available from qpdf project security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2018-18020.

CVE-2018-18020 - remediation guidance & executive summary

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.

CVSS Metrics

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Attack Vector: local
Complexity: low
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: low
Weaknesses: CWE-674

Metadata

Primary Vendor: QPDF_PROJECT
Published: 10/6/2018
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2018-18020

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary