High severity · published Feb 24, 2026
CVE-2026-26283
ImageMagick has possible infinite loop in JPEG encoder when using `jpeg:extent`
7.5
CVSS
0.4%
EPSS
No
On KEV
Description
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a `continue` statement in the JPEG extent binary search loop in the jpeg encoder causes an infinite loop when writing persistently fails. An attacker can trigger a 100% CPU consumption and process hang (Denial of Service) with a crafted image. Versions 7.1.2-15 and 6.9.13-40 contain a patch.
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)0.4% · higher than 31% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IM
ImageMagick · ImageMagick
>= 7.0.0, < 7.1.2-15; < 6.9.13-40 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-26283
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-26283
Vendor Advisory
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-gwr3-x37h-h84v
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