CVE-2026-23876
High
Description
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-13 and 6.9.13-38, a heap buffer overflow vulnerability in the XBM image decoder (ReadXBMImage) allows an attacker to write controlled data past the allocated heap buffer when processing a maliciously crafted image file. Any operation that reads or identifies an image can trigger the overflow, making it exploitable via common image upload and processing pipelines. Versions 7.1.2-13 and 6.9.13-38 fix the issue.
SeverityHigh
CVSS8.1
Exploit probability—
ProductImagemagick
PublishedJan 20, 2026
First seenJan 20, 2026
Weakness typeCWE-122CWE-122CWE-190Integer overflow
How to fix
Update
- imagemagick imagemagick6.9.13-38, 7.1.2-13 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| imagemagick imagemagick | v < 6.9.13-38, 7.0.0-0 ≤ v < 7.1.2-13 | 6.9.13-38, 7.1.2-13 |
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