Is CVE-2026-56365 in the CISA KEV catalog?

No. CVE-2026-56365 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-56365?

CVE-2026-56365 has a CVSS v3 base score of 3.7 (LOW).

How do I fix CVE-2026-56365?

Upgrade imagemagick on debian unstable to 8:7.1.2.19+dfsg1-1 or later.

CVE & CISA-KEV Catalog

CVE-2026-56365

LOW

3.7

CVSS v3

NVD

Description

ImageMagick before 7.1.2-19 contains a memory leak vulnerability in the PNG encoder when writing MNG images. Attackers can trigger the encoder failure condition to exhaust memory resources and cause denial of service.

CWE-401Missing Release of Memory (Memory Leak)

How to fix

Remediation Available

imagemagickDebian

Fixed in:8:7.1.2.19+dfsg1-1CVE-2026-56365

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

EPSS data unavailable for this CVE.

References

Other references2

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Markdown

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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 2026-07-01.