Heap Information Disclosure in ImageMagick's MNG Decoder
CVE-2026-53467

5.3MEDIUM

Key Information:

Vendor

Imagemagick
Status
Imagemagick
Vendor
CVE Published:
1 July 2026

What is CVE-2026-53467?

The MNG decoder in ImageMagick before versions 6.9.13-51 and 7.1.2-26 has a vulnerability that may allow the leaking of sensitive information due to parts of the image pixels remaining unchanged. This flaw can potentially lead to unauthorized access to confidential data, making it essential for users to update to the patched versions to mitigate security risks.

Affected Version(s)

ImageMagick < 6.9.13-51 < 6.9.13-51

ImageMagick >= 7.0.1-0, < 7.1.2-26 < 7.0.1-0, 7.1.2-26

References

https://github.com/ImageMagick/ImageMagick/security/advis...
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CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.