Is CVE-2018-9918 actively exploited?

CVE-2018-9918 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2018-9918?

CVE-2018-9918 has a CVSS score of 7.8 (HIGH severity). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

How do I patch CVE-2018-9918?

Patch guidance is available from qpdf project security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2018-9918.

Fix CVE-2018-9918 - HIGH qpdf project qpdf

Q: Which products are affected by CVE-2018-9918?

4 products: qpdf project qpdf, canonical ubuntu linux, canonical ubuntu linux, canonical ubuntu linux.

Description

libqpdf.a in QPDF through 8.0.2 mishandles certain "expected dictionary key but found non-name object" cases, allowing remote attackers to cause a denial of service (stack exhaustion), related to the QPDFObjectHandle and QPDF_Dictionary classes, because nesting in direct objects is not restricted.

CVSS Metrics

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

Metadata

Primary Vendor: QPDF_PROJECT
Published: 4/10/2018
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

qpdf_project : qpdfcanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linux

Remediation Guidance

Executive Summary

View on NIST NVD