CVE-2026-56364: imagemagick — Exploit & Fix

Description

ImageMagick before 7.1.2-13 contains a memory leak vulnerability in LoadOpenCLDeviceBenchmark() function when parsing malformed OpenCL device profile XML files with unclosed device elements. Attackers with write access to the OpenCL cache directory can place malicious XML files to exhaust memory and cause denial of service.

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CVSS v3.1 Score

1.9

LOW

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L

EPSS — Exploit Prediction

0.0017

Probability of exploitation

0.07%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-401 CWE-401

Affected Products

Vendor	Product	Versions
imagemagick	imagemagick	< 7.1.2-13

References

Advisories & Patches

https://github.com/ImageMagick/ImageMagick/commit/a52c1b402be08ef8ae193f28ac5b2e120f2fa26f https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-qp59-x883-77qv https://www.vulncheck.com/advisories/imagemagick-memory-leak-in-loadopencldevicebenchmark-via-malformed-xml https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-qp59-x883-77qv

Exploits

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-qp59-x883-77qv https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-qp59-x883-77qv

Frequently Asked Questions

What is CVE-2026-56364? +

ImageMagick before 7.1.2-13 contains a memory leak vulnerability in LoadOpenCLDeviceBenchmark() function when parsing malformed OpenCL device profile XML files with unclosed device elements. Attackers with write access to the OpenCL cache directory can place malicious XML files to exhaust memory and cause denial of service. It has a CVSS v3.1 base score of 1.9 (LOW).

How severe is CVE-2026-56364? +

CVE-2026-56364 has a CVSS v3.1 score of 1.9 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0017, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-56364? +

CVE-2026-56364 affects products from imagemagick, specifically: imagemagick. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-56364? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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