CVE-2026-33908

Summary

ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below both 7.1.2-19 and 6.9.13-44, Magick frees the memory of the XML tree via the DestroyXMLTree() function; however, this process is executed recursively with no depth limit imposed. When Magick processes an XML file with deeply nested structures, it will exhaust the stack memory, resulting in a Denial of Service (DoS) attack. This issue has been fixed in versions 6.9.13-44 and 7.1.2-19.

Affected Software

Weaknesses

• CWE-674: CWE-674: Uncontrolled Recursion

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

ImageMagick: Magick.NET: ImageMagick: Denial of Service via deeply nested XML file processing

Additional References

• https://access.redhat.com/security/cve/CVE-2026-33908
• https://bugzilla.redhat.com/show_bug.cgi?id=2458041
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-33908.json

References

• https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-fwvm-ggf6-2p4x
• https://github.com/ImageMagick/ImageMagick/commit/ccdc01180276aa2cb3d4a32a611aa4f417061cd8
• https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19
• https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0

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