CVE-2026-53467: ImageMagick: Information Disclosure in MNG decoder because allocated memory is left unchanged

Published Jul 1, 2026
·
Updated

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-51 and 7.1.2-26, the MNG decoder contains a possible heap information disclosure vulnerability because part of the pixels are left unchanged. This issue has been fixed in versions 6.9.13-51 and 7.1.2-26.

Other sources

In the MNG decoder there is a possible heap information disclosure because part of the pixels are left unchanged.

— GitHub

Affected Software

18 affected componentsFixes available
ImageMagick ImageMagick<6.9.13-51, <7.1.2-26
ImageMagick ImageMagick<6.9.13-51
ImageMagick ImageMagick>=7.0.0-0<7.1.2-26
nuget/Magick.NET-Q16-HDRI-arm64<14.15.0
14.15.0
nuget/Magick.NET-Q8-x86<14.15.0
14.15.0
nuget/Magick.NET-Q8-arm64<14.15.0
14.15.0
nuget/Magick.NET-Q8-OpenMP-x64<14.15.0
14.15.0
nuget/Magick.NET-Q8-OpenMP-arm64<14.15.0
14.15.0
nuget/Magick.NET-Q8-AnyCPU<14.15.0
14.15.0
nuget/Magick.NET-Q16-x86<14.15.0
14.15.0
nuget/Magick.NET-Q16-arm64<14.15.0
14.15.0
nuget/Magick.NET-Q16-OpenMP-x64<14.15.0
14.15.0
nuget/Magick.NET-Q16-OpenMP-arm64<14.15.0
14.15.0
nuget/Magick.NET-Q16-HDRI-x86<14.15.0
14.15.0
nuget/Magick.NET-Q16-HDRI-x64<14.15.0
14.15.0
nuget/Magick.NET-Q16-HDRI-OpenMP-arm64<14.15.0
14.15.0
nuget/Magick.NET-Q16-HDRI-AnyCPU<14.15.0
14.15.0
nuget/Magick.NET-Q16-AnyCPU<14.15.0
14.15.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade nuget/Magick.NET-Q16-HDRI-arm64 to a version that resolves this vulnerability.

    Fixed in 14.15.0
  2. Upgrade

    Upgrade nuget/Magick.NET-Q8-x86 to a version that resolves this vulnerability.

    Fixed in 14.15.0
  3. Upgrade

    Upgrade nuget/Magick.NET-Q8-x64 to a version that resolves this vulnerability.

    Fixed in 14.15.0
  4. Upgrade

    Upgrade nuget/Magick.NET-Q8-arm64 to a version that resolves this vulnerability.

    Fixed in 14.15.0
  5. Upgrade

    Upgrade nuget/Magick.NET-Q8-OpenMP-x64 to a version that resolves this vulnerability.

    Fixed in 14.15.0
  6. Upgrade

    Upgrade nuget/Magick.NET-Q8-OpenMP-arm64 to a version that resolves this vulnerability.

    Fixed in 14.15.0
  7. Upgrade

    Upgrade nuget/Magick.NET-Q8-AnyCPU to a version that resolves this vulnerability.

    Fixed in 14.15.0
  8. Upgrade

    Upgrade nuget/Magick.NET-Q16-x86 to a version that resolves this vulnerability.

    Fixed in 14.15.0
  9. Upgrade

    Upgrade nuget/Magick.NET-Q16-x64 to a version that resolves this vulnerability.

    Fixed in 14.15.0
  10. Upgrade

    Upgrade nuget/Magick.NET-Q16-arm64 to a version that resolves this vulnerability.

    Fixed in 14.15.0
  11. Upgrade

    Upgrade nuget/Magick.NET-Q16-OpenMP-x64 to a version that resolves this vulnerability.

    Fixed in 14.15.0
  12. Upgrade

    Upgrade nuget/Magick.NET-Q16-OpenMP-arm64 to a version that resolves this vulnerability.

    Fixed in 14.15.0
  13. Upgrade

    Upgrade nuget/Magick.NET-Q16-HDRI-x86 to a version that resolves this vulnerability.

    Fixed in 14.15.0
  14. Upgrade

    Upgrade nuget/Magick.NET-Q16-HDRI-x64 to a version that resolves this vulnerability.

    Fixed in 14.15.0
  15. Upgrade

    Upgrade nuget/Magick.NET-Q16-HDRI-OpenMP-arm64 to a version that resolves this vulnerability.

    Fixed in 14.15.0
  16. Upgrade

    Upgrade nuget/Magick.NET-Q16-HDRI-AnyCPU to a version that resolves this vulnerability.

    Fixed in 14.15.0
  17. Upgrade

    Upgrade nuget/Magick.NET-Q16-AnyCPU to a version that resolves this vulnerability.

    Fixed in 14.15.0
  18. Upgrade

    Upgrade ImageMagick to a version that resolves this vulnerability.

    Fixed in 6.9.13-51
  19. Upgrade

    Upgrade ImageMagick to a version that resolves this vulnerability.

    Fixed in 7.1.2-26

Event History

Jul 1, 2026
CVE Published
via MITRE·06:50 PM
Data Sourced
via MITRE·06:50 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:16 PM
DescriptionSeverityWeaknessAffected Software
Jul 23, 2026
Advisory Published
via GitHub·07:33 PM
Data Sourced
via GitHub·07:33 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2026-53467?

The severity of CVE-2026-53467 is rated medium with a score of 5.3.

2

What does CVE-2026-53467 affect?

CVE-2026-53467 affects the MNG decoder in ImageMagick versions prior to 6.9.13-51 and 7.1.2-26.

3

What kind of vulnerability is CVE-2026-53467?

CVE-2026-53467 is an information disclosure vulnerability due to unchanged allocated memory in the MNG decoder.

4

How do I fix CVE-2026-53467?

To fix CVE-2026-53467, upgrade to ImageMagick version 6.9.13-51 or later, or version 7.1.2-26 or later.

5

Is CVE-2026-53467 a critical vulnerability?

No, CVE-2026-53467 is classified with a medium severity rating, indicating it is not critical.

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