CVE & CISA-KEV Catalog

CVE-2018-17961

HIGHEPSS 95th pctl
8.6
CVSS v3
NVD

Description

Artifex Ghostscript 9.25 and earlier allows attackers to bypass a sandbox protection mechanism via vectors involving errorhandler setup. NOTE: this issue exists because of an incomplete fix for CVE-2018-17183.

How to fix

Remediation Available
ghostscriptAmazon
Fixed in:0:9.25-5.amzn2
Fixed in:0:9.25-5.amzn2
Fixed in:0:9.25-5.amzn2
ghostscript-cupsAmazon
Fixed in:0:9.25-5.amzn2
Fixed in:0:9.25-5.amzn2
Fixed in:0:9.25-5.amzn2
ghostscript-debuginfoAmazon
Fixed in:0:9.25-5.amzn2
Fixed in:0:9.25-5.amzn2
Fixed in:0:9.25-5.amzn2
ghostscript-docAmazon
Fixed in:0:9.25-5.amzn2
ghostscript-gtkAmazon
Fixed in:0:9.25-5.amzn2
Fixed in:0:9.25-5.amzn2
Fixed in:0:9.25-5.amzn2
libgsAmazon
Fixed in:0:9.25-5.amzn2
Fixed in:0:9.25-5.amzn2
Fixed in:0:9.25-5.amzn2
libgs-develAmazon
Fixed in:0:9.25-5.amzn2
Fixed in:0:9.25-5.amzn2
Fixed in:0:9.25-5.amzn2
ghostscriptDebian
Fixed in:9.25~dfsg-3CVE-2018-17961
Fixed in:9.25~dfsg-3CVE-2018-17961
Fixed in:9.25~dfsg-3CVE-2018-17961
ghostscriptUbuntu
Fixed in:9.25~dfsg+1-0ubuntu0.14.04.2USN-3803-1

This Ubuntu release reached end-of-life on 2019-04-02.

Fixed in:9.25~dfsg+1-0ubuntu0.16.04.2USN-3803-1

This Ubuntu release reached end-of-life on 2021-04-02.

Fixed in:9.25~dfsg+1-0ubuntu0.18.04.2USN-3803-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

libgs9Ubuntu
Fixed in:9.25~dfsg+1-0ubuntu0.14.04.2USN-3803-1

This Ubuntu release reached end-of-life on 2019-04-02.

Fixed in:9.25~dfsg+1-0ubuntu0.16.04.2USN-3803-1

This Ubuntu release reached end-of-life on 2021-04-02.

Fixed in:9.25~dfsg+1-0ubuntu0.18.04.2USN-3803-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

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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
ScopeChanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

9.98%probability of exploitation in 30 days
95thpercentile

Very high risk: more likely to be exploited than 95% of all known CVEs.

References

Related Vulnerabilities

Other CWE-209 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-29059High7.599%KEV-
CVE-2021-22145Medium6.576%--
CVE-2010-3332Medium6.467%--
CVE-2025-47813Medium4.363%KEVFix
CVE-2025-62168Critical10.063%-Fix
CVE-2013-7331Medium6.558%KEV-

Common questions

How do I fix CVE-2018-17961?

Published advisories record a fix for 10 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2018-17961 being actively exploited?

Not that we know of. CVE-2018-17961 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 10.0% is the estimated probability that it will be exploited in the next 30 days. That is higher than 95% of all scored CVEs.

How severe is CVE-2018-17961?

CVE-2018-17961 has a CVSS v3 base score of 8.6, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2018-17961 affect?

Published advisories record a fix for ghostscript (Amazon), ghostscript-cups (Amazon), ghostscript-debuginfo (Amazon), ghostscript-doc (Amazon), and 6 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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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 2026-06-17.