Critical severity · published Jul 11, 2026
CVE-2026-56372
ImageMagick - Heap Buffer Overflow Read via Unrecognized Magnify Method
9.1
CVSS
0.3%
EPSS
No
On KEV
Description
ImageMagick before 7.1.2-19 contains a heap buffer overflow vulnerability in the magnify operation that allows attackers to read out of bounds memory. An unrecognized magnify:method value triggers an out of bounds read, potentially exposing sensitive information or causing denial of service.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IM
ImageMagick · ImageMagick
before 7.1.2-19 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-56372
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-56372
Vendor Advisory
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-8vfj-q2cp-5m5j
Third Party Advisory
https://www.vulncheck.com/advisories/imagemagick-heap-buffer-overflow-read-via-unrecognized-magnify-method
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9.8
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