PatchSiren cyber security CVE debrief

CVE-2026-46523 ImageMagick CVE debrief

CVE-2026-46523 is a medium-severity vulnerability in ImageMagick, a free and open-source software for editing and manipulating digital images. The vulnerability is caused by a crafted MSL image that can trigger a heap-use-after-free. This issue was fixed in versions 7.1.2.23 and 6.9.13-48.

Vendor: ImageMagick
Product: Unknown
CVSS: MEDIUM 6.2
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-06-10
Original CVE updated: 2026-07-15
Advisory published: 2026-06-10
Advisory updated: 2026-07-15

Who should care

Users of ImageMagick, especially those who process MSL images, should be aware of this vulnerability and take steps to mitigate it.

Technical summary

The vulnerability has a CVSS score of 6.2 and a CVSS severity of MEDIUM. The CVSS vector is CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. The weakness is CWE-416.

Defensive priority

MEDIUM

Recommended defensive actions

Upgrade to ImageMagick version 7.1.2.23 or 6.9.13-48 or later.
Be cautious when processing MSL images from untrusted sources.

Evidence notes

The vulnerability was published on [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-46523) and has a detailed record on [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-46523). The vendor advisory can be found at [ref-4](https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-5r4x-w6p5-222q).

Sources and references

Verified primary and authoritative sources

CVE-2026-46523 CVE Program record
Publisher, destination, and source semantics verified

URL: https://www.cve.org/CVERecord?id=CVE-2026-46523

CVE Program - Official CVE Program record with source-provided CVE metadata.
CVE-2026-46523 NVD vulnerability detail
Publisher, destination, and source semantics verified

URL: https://nvd.nist.gov/vuln/detail/CVE-2026-46523

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

Supplemental references

Mitigation or vendor reference
Unverified legacy reference

URL: https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-5r4x-w6p5-222q

[email protected] - Vendor Advisory

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.