Uninitialized Pointer Dereference in ImageMagick JBIG Decoder
CVE-2026-28691

7.5HIGH

Key Information:

Vendor

Imagemagick
Status
Imagemagick
Vendor
CVE Published:
9 March 2026

What is CVE-2026-28691?

ImageMagick, a widely-used open-source software for image editing, contains a vulnerability in its JBIG decoder prior to version 7.1.2-16 and 6.9.13-41. This vulnerability arises from an uninitialized pointer dereference, which can potentially lead to unexpected behavior or crashes in the application. Users of ImageMagick should update to the latest versions to mitigate the risks associated with this security flaw.

Affected Version(s)

ImageMagick >= 7.0.0, < 7.1.2-16 < 7.0.0, 7.1.2-16

ImageMagick < 6.9.13-41 < 6.9.13-41

References

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

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.