CVE-2026-25971: ImageMagick's MSL: Stack overflow in ProcessMSLScript

Published Feb 24, 2026
·
Updated

Summary Magick fails to check for circular references between two MSLs, leading to a stack overflow.

Details After reading a.msl using magick, the following is displayed:

MSLStartElement -> ReadImage -> ReadMSLImage -> ProcessMSLScript -> xmlParseChunk -> xmlParseTryOrFinish -> MSLStartElement

bash AddressSanitizer:DEADLYSIGNAL ================================================================= ==114345==ERROR: AddressSanitizer: UNKNOWN SIGNAL on unknown address 0x000000000000 (pc 0x72509fc7d804 bp 0x7ffd6598b390 sp 0x7ffd6598ab20 T0) #0 0x72509fc7d804 in strlen ../../../../src/libsanitizer/sanitizercommon/sanitizercommoninterceptors.inc:388 [...]

Other sources

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, Magick fails to check for circular references between two MSLs, leading to a stack overflow. Versions 7.1.2-15 and 6.9.13-40 contain a patch.

— NVD

Affected Software

20 affected componentsFixes available
ImageMagick ImageMagick<7.1.2-15, <6.9.13-40
ImageMagick ImageMagick<6.9.13-40
ImageMagick ImageMagick>=7.0.0-0<7.1.2-15
nuget/Magick.NET-Q8-x86<14.10.3
14.10.3
nuget/Magick.NET-Q8-arm64<14.10.3
14.10.3
nuget/Magick.NET-Q8-OpenMP-x64<14.10.3
14.10.3
nuget/Magick.NET-Q8-OpenMP-arm64<14.10.3
14.10.3
nuget/Magick.NET-Q8-AnyCPU<14.10.3
14.10.3
nuget/Magick.NET-Q16-HDRI-OpenMP-x64<14.10.3
14.10.3
nuget/Magick.NET-Q16-x86<14.10.3
14.10.3
nuget/Magick.NET-Q16-arm64<14.10.3
14.10.3
nuget/Magick.NET-Q16-OpenMP-x86<14.10.3
14.10.3
nuget/Magick.NET-Q16-OpenMP-x64<14.10.3
14.10.3
nuget/Magick.NET-Q16-OpenMP-arm64<14.10.3
14.10.3
nuget/Magick.NET-Q16-HDRI-x86<14.10.3
14.10.3
nuget/Magick.NET-Q16-HDRI-x64<14.10.3
14.10.3
nuget/Magick.NET-Q16-HDRI-arm64<14.10.3
14.10.3
nuget/Magick.NET-Q16-HDRI-OpenMP-arm64<14.10.3
14.10.3
nuget/Magick.NET-Q16-HDRI-AnyCPU<14.10.3
14.10.3
nuget/Magick.NET-Q16-AnyCPU<14.10.3
14.10.3

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 14.10.3
  2. Upgrade

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

    Fixed in 14.10.3
  3. Upgrade

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

    Fixed in 14.10.3
  4. Upgrade

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

    Fixed in 14.10.3
  5. Upgrade

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

    Fixed in 14.10.3
  6. Upgrade

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

    Fixed in 14.10.3
  7. Upgrade

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

    Fixed in 14.10.3
  8. Upgrade

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

    Fixed in 14.10.3
  9. Upgrade

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

    Fixed in 14.10.3
  10. Upgrade

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

    Fixed in 14.10.3
  11. Upgrade

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

    Fixed in 14.10.3
  12. Upgrade

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

    Fixed in 14.10.3
  13. Upgrade

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

    Fixed in 14.10.3
  14. Upgrade

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

    Fixed in 14.10.3
  15. Upgrade

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

    Fixed in 14.10.3
  16. Upgrade

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

    Fixed in 14.10.3
  17. Upgrade

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

    Fixed in 14.10.3
  18. Upgrade

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

    Fixed in 14.10.3
  19. Upgrade

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

    Fixed in 14.10.3
  20. Upgrade

    Upgrade ImageMagick to a version that resolves this vulnerability.

    Fixed in 7.1.2-15
  21. Upgrade

    Upgrade ImageMagick to a version that resolves this vulnerability.

    Fixed in 6.9.13-40

Event History

Feb 24, 2026
CVE Published
via MITRE·01:39 AM
Data Sourced
via MITRE·01:39 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·02:16 AM
DescriptionSeverityWeaknessAffected Software
Mar 12, 2026
Advisory Published
via GitHub·02:02 PM
Data Sourced
via GitHub·02:02 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2026-25971?

CVE-2026-25971 is classified as a critical vulnerability due to the potential for remote code execution resulting from a stack overflow.

2

How do I fix CVE-2026-25971?

To mitigate CVE-2026-25971, upgrade ImageMagick to versions 7.1.2-15 or 6.9.13-40 or later.

3

What systems are affected by CVE-2026-25971?

CVE-2026-25971 affects versions of ImageMagick prior to 7.1.2-15 and 6.9.13-40.

4

What causes the vulnerability in CVE-2026-25971?

CVE-2026-25971 is caused by ImageMagick failing to check for circular references in MSL scripts, which can lead to a stack overflow.

5

Is there a workaround for CVE-2026-25971?

The only reliable workaround for CVE-2026-25971 is to update to a patched version of ImageMagick.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203