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Ubuntu Security Notice USN-6708-1
March 21, 2024

graphviz vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS (Available with Ubuntu Pro)
- Ubuntu 20.04 LTS (Available with Ubuntu Pro)
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)
- Ubuntu 16.04 LTS (Available with Ubuntu Pro)
- Ubuntu 14.04 LTS (Available with Ubuntu Pro)

Summary:

Graphviz could be made to crash if it opened a specially crafted
config6a file.

Software Description:
- graphviz: rich set of graph drawing tools

Details:

It was discovered that Graphviz incorrectly handled certain config6a files.
An attacker could possibly use this issue to cause a denial of service.

Update instructions:

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

Ubuntu 22.04 LTS (Available with Ubuntu Pro):
graphviz 2.42.2-6ubuntu0.1~esm1

Ubuntu 20.04 LTS (Available with Ubuntu Pro):
graphviz 2.42.2-3ubuntu0.1~esm2

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
graphviz 2.40.1-2ubuntu0.1~esm2

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
graphviz 2.38.0-12ubuntu2.1+esm2

Ubuntu 14.04 LTS (Available with Ubuntu Pro):
graphviz 2.36.0-0ubuntu3.2+esm2

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

References:
https://ubuntu.com/security/notices/USN-6708-1
CVE-2023-46045