Is CVE-2026-55594 in the CISA KEV catalog?

No. CVE-2026-55594 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-55594?

CVE-2026-55594 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2026-55594?

CVE-2026-55594 has an EPSS score of 0.24% (15th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-55594?

Upgrade imagemagick on debian unstable to 8:7.1.2.26+dfsg1-1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2026-55594

MEDIUM

5.3

CVSS v3

NVD

Description

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-51 and 7.1.2-26, a missing depth check in the MVG decoder will result in a stack overflow when a crafted image is provided. This issue has been fixed in versions 6.9.13-51 and 7.1.2-26.

CWE-400Resource Exhaustion CWE-674

How to fix

Remediation Available

imagemagickDebian

Fixed in:8:7.1.2.26+dfsg1-1CVE-2026-55594

ImageMagick Q16Windows application

Affected:6.9.13-51Fixed in:6.9.13-51ImageMagick Studio LLC

Affected:7.0.0-0 7.1.2-26Fixed in:7.1.2-26ImageMagick Studio LLC

ImageMagick Q16-HDRIWindows application

Affected:6.9.13-51Fixed in:6.9.13-51ImageMagick Studio LLC

Affected:7.0.0-0 7.1.2-26Fixed in:7.1.2-26ImageMagick Studio LLC

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 InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Exploit Intelligence

0.24%probability of exploitation in 30 days

15thpercentile

Low risk: more likely to be exploited than 15% of all known CVEs.

References

Vendor Advisory1

github.com

Related Vulnerabilities

Other CWE-400 (Resource Exhaustion) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-44487	High	7.5	100%	KEV	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2011-3192	High	7.8	99%	-	Fix
CVE-2019-11478	Medium	5.3	95%	-	Fix
CVE-2024-25617	Medium	5.3	89%	-	Fix
CVE-2018-1000115	High	7.5	89%	-	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 2026-07-02.