Is CVE-2026-56376 in the CISA KEV catalog?

No. CVE-2026-56376 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-56376?

CVE-2026-56376 has a CVSS v3 base score of 3.7 (LOW).

What is the EPSS score for CVE-2026-56376?

CVE-2026-56376 has an EPSS score of 0.18% (8th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-56376?

Upgrade imagemagick on debian unstable to 8:7.1.2.15+dfsg1-1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2026-56376

LOW

3.7

CVSS v3

NVD

Description

ImageMagick before 7.1.2-15 and 6.9.13-40 contains a heap use-after-free in the meta coder: when memory allocation fails, a single byte is written to a stale pointer. Remote attackers can trigger it by processing specially crafted image files, causing a denial of service.

CWE-416Use After Free

How to fix

Remediation Available

imagemagickDebian

Fixed in:8:7.1.2.15+dfsg1-1CVE-2026-56376

ImageMagick Q16Windows application

Affected:6.9.13-40Fixed in:6.9.13-40ImageMagick Studio LLC

Affected:7.0.0-0 7.1.2-15Fixed in:7.1.2-15ImageMagick Studio LLC

ImageMagick Q16-HDRIWindows application

Affected:6.9.13-40Fixed in:6.9.13-40ImageMagick Studio LLC

Affected:7.0.0-0 7.1.2-15Fixed in:7.1.2-15ImageMagick 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 ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

0.18%probability of exploitation in 30 days

8thpercentile

Low risk: more likely to be exploited than 8% of all known CVEs.

References

Third-Party Advisory2

Related Vulnerabilities

Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-0708	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-31166	Critical	9.8	100%	KEV	Fix
CVE-2015-5119	Critical	9.8	99%	KEV	-
CVE-2010-3962	High	8.1	97%	KEV	-
CVE-2015-0313	Critical	9.8	96%	KEV	Fix
CVE-2017-9798	High	7.5	95%	-	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 2026-06-24.