ImageMagick: Heap Buffer Over-Read in XCF decoder due to integer conversion overflow — GHSA-PJXJ-PCHX-4C3M

Summary

An integer overflow in the XCF decoder can result in an out of bounds read when a crafted image is read and that can result in a crash.

Timeline

Published by source

2026-07-31

Risk context

• Reported severity or threat level: medium.
• Review exposure for the affected product or family: nuget: Magick.NET-Q16-AnyCPU | nuget: Magick.NET-Q16-HDRI-AnyCPU | nuget: Magick.NET-Q16-HDRI-OpenMP-arm64 | nuget: Magick.NET-Q16-HDRI-x64 | nuget: Magick.NET….

Product

nuget: Magick.NET-Q16-AnyCPU | nuget: Magick.NET-Q16-HDRI-AnyCPU | nuget: Magick.NET-Q16-HDRI-OpenMP-arm64 | nuget: Magick.NET-Q16-HDRI-x64 | nuget: Magick.NET…

What to do

General, cautious steps (verify details in the official source):

• Review exposure and plan remediation based on risk and environment.
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source
• CVE Record
• NVD

Evidence and provenance

Canonical advisory ID

GHSA-PJXJ-PCHX-4C3M

Source

GitHub

Vendor

GitHub

Published by source

2026-07-31

Last source activity

2026-07-31

Additional identifiers

CVE-2026-53466

Curated by

hlukh.ch

Related advisories and connections

These advisories are connected by shared CVE, product, vendor, source, or time signals.