NUGET · JULY 2026 · EARLY WARNING

ImageMagick XCF Decoder Vulnerability: Potential Integer Overflow

EARLY WARNING · UNCONFIRMED. This page describes a developing threat that 0Day surfaced from early signals and has not yet independently confirmed. Details may change. Always verify against the primary sources before acting.
GHSA-PJXJ-PCHX-4C3MSeverity: HIGH

An integer overflow in the XCF decoder of the ImageMagick package is reportedly causing an out of bounds read, potentially leading to a crash.

What happened

An early warning has been issued regarding a potential integer overflow vulnerability in the XCF decoder of the ImageMagick package. This vulnerability appears to result in an out of bounds read when a specially crafted image is processed, which could potentially cause a crash. The issue is under investigation and further details should be obtained from the primary sources. Software engineers using ImageMagick are advised to monitor for updates and apply patches as they become available to mitigate any potential risks.

The vulnerability, tracked under GHSA-PJXJ-PCHX-4C3M, specifically affects the ImageMagick package distributed via NuGet. The exact versions impacted are currently under investigation, and users are encouraged to consult the GitHub advisory for the most current information. As this is an early warning, the full scope and impact of the vulnerability are not yet fully understood, and users should stay informed through official channels.

How 0Day mitigates this

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