Medium severity · published Jul 10, 2026
CVE-2026-56366
ImageMagick - Memory Leak in META Reader APP1JPEG Error Path
6.5
CVSS
0.2%
EPSS
No
On KEV
Description
ImageMagick before 7.1.2-18 contains a memory leak vulnerability in the META reader when processing APP1JPEG input paths. Attackers can trigger this memory leak by providing specially crafted APP1JPEG image files, causing denial of service through resource exhaustion.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IM
ImageMagick · ImageMagick
before 7.1.2-18; before 6.9.13-43 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-56366
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-56366
Vendor Advisory
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-9r56-3gjq-hqf7
Third Party Advisory
https://www.vulncheck.com/advisories/imagemagick-memory-leak-in-meta-reader-app1jpeg-error-path
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