ImageMagick before 7.1.2-30 and 6.9.13-55 contains an uncontrolled recursion vulnerability in the CALS decoder due to a missing depth check. Attackers can supply a crafted CALS image that triggers unbounded recursion, exhausting the stack and crashing the process, resulting in a denial of service.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
ImageMagick ImageMagick unaffected
Version Status Constraints
0 affected < 7.1.2-30
7.1.2-30 unaffected —
ImageMagick ImageMagick unaffected
Version Status Constraints
0 affected < 6.9.13-55
6.9.13-55 unaffected —

No data.

No data.

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Project Subscriptions

Vendors Products
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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-wxw6-98rj-hjfr cve-icon cve-icon
https://www.vulncheck.com/advisories/imagemagick-before-7.1.2-30-stack-overflow-in-cals-decoder cve-icon cve-icon
History

Thu, 08 Oct 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 08 Oct 2026 14:15:00 +0000

Type Values Removed Values Added
Description ImageMagick before 7.1.2-30 and 6.9.13-55 contains an uncontrolled recursion vulnerability in the CALS decoder due to a missing depth check. Attackers can supply a crafted CALS image that triggers unbounded recursion, exhausting the stack and crashing the process, resulting in a denial of service.
Title ImageMagick before 7.1.2-30 Stack Overflow in CALS Decoder
First Time appeared Imagemagick
Imagemagick imagemagick
Weaknesses CWE-674
CPEs cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*
Vendors & Products Imagemagick
Imagemagick imagemagick
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-08T14:49:25.181Z

Reserved: 2026-10-05T21:59:09.590Z

Link: CVE-2026-105827

cve-icon Vulnrichment

Updated: 2026-10-08T14:49:17.539Z

cve-icon NVD

Status : Received

Published: 2026-10-08T15:17:34.820

Modified: 2026-10-08T15:17:34.820

Link: CVE-2026-105827

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-08T16:00:06Z

Weaknesses