NUGET · JULY 2026 · EARLY WARNING

ImageMagick XCF Decoder Vulnerability: Integer Overflow Risk

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 under investigation. This vulnerability may result in an out of bounds read when a crafted image is processed, potentially causing a crash.

What happened

An integer overflow vulnerability has been reported in the XCF decoder of the ImageMagick package. This issue appears to cause a heap buffer over-read, which can result in an out of bounds read when processing a specially crafted image. The vulnerability is being investigated and is tracked under the ID GHSA-PJXJ-PCHX-4C3M. Software engineers using ImageMagick, particularly the NuGet package, should monitor for updates and patches from the ImageMagick maintainers to assess and mitigate potential exposure.

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