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PatchSiren cyber security CVE debrief

CVE-2026-47166 ImageMagick CVE debrief

CVE-2026-47166 is a medium-severity vulnerability in ImageMagick, a free and open-source software for editing and manipulating digital images. An attacker who can connect to a `magick -distribute-cache` service can cause a heap buffer over-read in the server process. This issue has been patched in versions 6.9.13-48 and 7.1.2-23.

Vendor
ImageMagick
Product
Unknown
CVSS
MEDIUM 5.7
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-10
Original CVE updated
2026-06-11
Advisory published
2026-06-10
Advisory updated
2026-06-11

Who should care

Users of ImageMagick versions prior to 6.9.13-48 and 7.1.2-23 should update to the latest patched versions to prevent potential heap buffer over-read attacks.

Technical summary

The vulnerability exists in the `magick -distribute-cache` service, allowing an attacker to cause a heap buffer over-read in the server process. The CVSS score for this vulnerability is 5.7, with a severity rating of MEDIUM.

Defensive priority

MEDIUM

Recommended defensive actions

  • Update to ImageMagick versions 6.9.13-48 or 7.1.2-23 or later.
  • Restrict access to the `magick -distribute-cache` service to trusted users only.

Evidence notes

The CVE-2026-47166 vulnerability was published on [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-47166) and has a detailed analysis on [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-47166).

Sources and references

Verified primary and authoritative sources

  • CVE-2026-47166 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-47166

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-47166 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-47166

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.