# CVE-2026-86421

## Summary

- **CVE ID:** CVE-2026-86421
- **Severity:** MEDIUM
- **CVSS Score:** 6.3 (CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N)
- **CWE:** CWE-400
- **Published:** Sep 7, 2026
- **Last Modified:** Sep 8, 2026

## Description

ImageMagick before 7.1.2-30 and 6.9.13-55 contains a memory leak in the MSL image decoder. A crafted MSL image triggers memory allocation without proper deallocation, allowing an attacker to exhaust memory and cause a denial of service.

## Affected Products

- ImageMagick — ImageMagick (0)
- ImageMagick — ImageMagick (7.1.2-30)
- ImageMagick — ImageMagick (6.9.13-55)

## References

- [CNA](https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-4jv7-q6xw-6f4x)
- [CNA](https://www.vulncheck.com/advisories/imagemagick-before-7.1.2-30-memory-leak-via-msl-decoder)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.34%
- **EPSS Percentile:** 26.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._