Is CVE-2018-9918 in the CISA KEV catalog?

No. CVE-2018-9918 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-9918?

CVE-2018-9918 has a CVSS v3 base score of 7.8 (HIGH).

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

CVE-2018-9918 has an EPSS score of 1.72% (75th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-9918?

Upgrade qpdf on debian 11 to 8.0.2-3 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2018-9918

HIGHEPSS 75th pctl

7.8

CVSS v3

NVD

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.

CWE-674

How to fix

Remediation Available

qpdfDebian

Fixed in:8.0.2-3CVE-2018-9918

libqpdf21Ubuntu

Fixed in:8.0.2-3~14.04.1USN-3638-1

Fixed in:8.0.2-3~16.04.1USN-3638-1

qpdfUbuntu

Fixed in:8.0.2-3~14.04.1USN-3638-1

Fixed in:8.0.2-3~16.04.1USN-3638-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

1.72%probability of exploitation in 30 days

75thpercentile

Elevated risk: more likely to be exploited than 75% of all known CVEs.

References

Patch2

Third-Party Advisory1

usn.ubuntu.com

Embed a live status badge for CVE-2018-9918

Markdown

[![CVE-2018-9918](https://tridentstack.com/cve/badge/CVE-2018-9918.svg)](https://tridentstack.com/cve/CVE-2018-9918)

HTML

<a href="https://tridentstack.com/cve/CVE-2018-9918"><img src="https://tridentstack.com/cve/badge/CVE-2018-9918.svg" alt="CVE-2018-9918"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.