High severity · published Sep 7, 2026
CVE-2026-86420
ImageMagick before 7.1.2-30 Denial of Service Memory Budget
7.5
CVSS
0.3%
EPSS
No
On KEV
Description
ImageMagick before 7.1.2-30 and 6.9.13-55 fails to properly lower the memory budget when an operation inside OpenPixelCache fails. Repeated triggering of such failures can exhaust the process memory budget and result in a denial of service.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 25% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IM
ImageMagick · ImageMagick
before 7.1.2-30; before 6.9.13-55 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-86420
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-86420
Vendor Advisory
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-4mwf-mggw-29vp
Third Party Advisory
https://www.vulncheck.com/advisories/imagemagick-before-7.1.2-30-denial-of-service-memory-budget
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