A Mako security update has been released for Ubuntu Linux 22.10.

USN-5625-2: Mako vulnerability

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Ubuntu Security Notice USN-5625-2
November 15, 2022

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

- Ubuntu 22.10

Summary:

Mako could be made to denial of service if it received a
specially crafted regular expression.

Software Description:
- mako: fast and lightweight templating for the Python platform

Details:

USN-5625-1 fixed a vulnerability in Mako. This update provides the corresponding updates for
Ubuntu 22.10.

Original advisory details:

It was discovered that Mako incorrectly handled certain regular expressions.
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 22.10:
python3-mako 1.1.3+ds1-3ubuntu2.1

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

References:
  https://ubuntu.com/security/notices/USN-5625-2
  https://ubuntu.com/security/notices/USN-5625-1
CVE-2022-40023

Package Information:
  https://launchpad.net/ubuntu/+source/mako/1.1.3+ds1-3ubuntu2.1