Use After Free Vulnerability in ImageMagick WBINFO Decoder
CVE-2026-109271

6.3MEDIUM

Key Information:

Vendor

Imagemagick
Status
Imagemagick
Vendor
CVE Published:
12 October 2026

What is CVE-2026-109271?

ImageMagick versions 7.1.2-30 and earlier contain a severe vulnerability within the WBINFO decoder component where a memory allocation failure during the image decoding process leads to a use after free condition. This can be exploited by attackers using specially crafted images that manipulate memory, potentially causing the application to crash. It is essential for users to update to the patched versions to mitigate this security risk.

Affected Version(s)

ImageMagick 7.1.2-30 < 7.1.2-32

ImageMagick 7.1.2-32

References

https://github.com/ImageMagick/ImageMagick/security/advis...
vendor-advisory
https://github.com/ImageMagick/ImageMagick/commit/48c49d0...
patch
https://github.com/ImageMagick/ImageMagick/commit/2ed1b96...
patch

CVSS V4

Score:
6.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Yanhaoxi
.