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PatchSiren cyber security CVE debrief

CVE-2026-48724 ImageMagick CVE debrief

CVE-2026-48724 is a MEDIUM severity vulnerability in ImageMagick, a free and open-source software for editing and manipulating digital images. Prior to version 7.1.2-24, when using an image with mask and the Floyd-Steinberg dithering method, it causes a negative heap buffer over-write. This issue has been patched in version 7.1.2-24.

Vendor
ImageMagick
Product
Unknown
CVSS
MEDIUM 5.5
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, especially those who use the Floyd-Steinberg dithering method with images that have masks, should be aware of this vulnerability and update to version 7.1.2-24 or later to mitigate the risk.

Technical summary

The vulnerability is caused by a negative heap buffer over-write when using the Floyd-Steinberg dithering method with an image that has a mask. This can be exploited by a specially crafted image, potentially leading to a denial of service or other malicious activities.

Defensive priority

MEDIUM

Recommended defensive actions

  • Update ImageMagick to version 7.1.2-24 or later.
  • Avoid using the Floyd-Steinberg dithering method with images that have masks in versions prior to 7.1.2-24.

Evidence notes

The vulnerability was patched in version 7.1.2-24 of ImageMagick.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-48724 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-48724

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

  • CVE-2026-48724 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-48724

    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.