Is CVE-2018-20184 in the CISA KEV catalog?

No. CVE-2018-20184 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-20184?

CVE-2018-20184 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2018-20184?

CVE-2018-20184 has an EPSS score of 2.31% (81th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-20184?

Upgrade graphicsmagick on debian 11 to 1.4~hg15873-1 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2018-20184

MEDIUMEPSS 81th pctl

6.5

CVSS v3

NVD

Description

In GraphicsMagick 1.4 snapshot-20181209 Q8, there is a heap-based buffer overflow in the WriteTGAImage function of tga.c, which allows attackers to cause a denial of service via a crafted image file, because the number of rows or columns can exceed the pixel-dimension restrictions of the TGA specification.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

graphicsmagickDebian

Fixed in:1.4~hg15873-1CVE-2018-20184

graphicsmagickUbuntu

Fixed in:1.3.18-1ubuntu3.1+esm8USN-5974-1

Fixed in:1.3.23-1ubuntu0.6+esm2USN-5974-1

Fixed in:1.3.28-2ubuntu0.1USN-4207-1

Fixed in:1.3.28-2ubuntu0.2+esm1USN-5974-1

Fixed in:1.4+really1.3.35-1ubuntu0.1USN-5974-1

libgraphicsmagick++-q16-12Ubuntu

Fixed in:1.3.28-2ubuntu0.1USN-4207-1

libgraphicsmagick-q16-3Ubuntu

Fixed in:1.3.23-1ubuntu0.6+esm2USN-5974-1

Fixed in:1.3.28-2ubuntu0.2+esm1USN-5974-1

Fixed in:1.3.28-2ubuntu0.1USN-4207-1

Fixed in:1.4+really1.3.35-1ubuntu0.1USN-5974-1

libgraphicsmagick3Ubuntu

Fixed in:1.3.18-1ubuntu3.1+esm8USN-5974-1

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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

2.31%probability of exploitation in 30 days

81stpercentile

Elevated risk: more likely to be exploited than 81% of all known CVEs.

References

Patch1

hg.graphicsmagick.org

Exploit1

sourceforge.net

Third-Party Advisory2

Other references2

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix

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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 2024-11-21.