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[USN-8235-1] ITK vulnerabilities

Posted on 07 May 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8235-1
May 07, 2026

insighttoolkit vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in ITK.

Software Description:
- insighttoolkit: Toolkit for N-dimensional scientific image processing, segmentation, and registration

Details:

It was discovered that Expat, vendored in ITK incorrectly handled certain
files. An attacker could possibly use this issue to cause a crash or
execute arbitrary code. (CVE-2022-25235, CVE-2022-25236)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 16.04 LTS
libinsighttoolkit3.20 3.20.1+git20120521-6ubuntu0.1~esm1
Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-8235-1
CVE-2022-25235, CVE-2022-25236

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