Is CVE-2026-33900 in the CISA KEV catalog?

No. CVE-2026-33900 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-33900?

CVE-2026-33900 has a CVSS v3 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2026-33900?

CVE-2026-33900 has an EPSS score of 0.43% (35th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-33900?

Upgrade imagemagick on debian 11 to 8:6.9.11.60+dfsg-1.3+deb11u12 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2026-33900

MEDIUM

5.9

CVSS v3

NVD

Description

ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below both 7.1.2-19 and 6.9.13-44, the viff encoder contains an integer truncation/wraparound issue on 32-bit builds that could trigger an out of bounds heap write, potentially causing a crash. This issue has been fixed in versions 6.9.13-44 and 7.1.2-19.

CWE-190Integer Overflow

How to fix

Remediation Available

imagemagickDebian

Fixed in:8:6.9.11.60+dfsg-1.3+deb11u12CVE-2026-33900

Fixed in:8:6.9.11.60+dfsg-1.6+deb12u9CVE-2026-33900

Fixed in:8:7.1.1.43+dfsg1-1+deb13u8CVE-2026-33900

Fixed in:8:7.1.2.19+dfsg1-1CVE-2026-33900

ImageMagick Q16Windows application

Affected:6.9.13-44Fixed in:6.9.13-44ImageMagick Studio LLC

Affected:7.0.0-0 7.1.2-19Fixed in:7.1.2-19ImageMagick Studio LLC

ImageMagick Q16-HDRIWindows application

Affected:7.0.0-0 7.1.2-19Fixed in:7.1.2-19ImageMagick Studio LLC

Affected:6.9.13-44Fixed in:6.9.13-44ImageMagick 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

AvailabilityHigh

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

Exploit Intelligence

0.43%probability of exploitation in 30 days

35thpercentile

Low risk: more likely to be exploited than 35% of all known CVEs.

References

Patch1

github.com

Vendor Advisory1

github.com

Release Notes2

Related Vulnerabilities

Other CWE-190 (Integer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix
CVE-2019-11477	High	7.5	99%	-	Fix
CVE-2023-44443	High	7.8	94%	-	Fix
CVE-2014-0569	High	9.3	90%	-	-
CVE-2017-3599	High	7.5	90%	-	Fix
CVE-2023-21716	Critical	9.8	82%	-	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 2026-04-17.