1. Ubuntu Security Notices
  2. USN-5625-1

USN-5625-1: Mako vulnerability

Publication date

21 September 2022

Overview

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

Releases

Packages

  • mako - fast and lightweight templating for the Python platform

Details

It was discovered that Mako incorrectly handled certain regular expressions.
An attacker could possibly use this issue to cause a denial of service.

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
22.04 jammy python3-mako –  1.1.3+ds1-2ubuntu0.1
20.04 focal python-mako –  1.1.0+ds1-1ubuntu2.1
python3-mako –  1.1.0+ds1-1ubuntu2.1
18.04 bionic python-mako –  1.0.7+ds1-1ubuntu0.2
python3-mako –  1.0.7+ds1-1ubuntu0.2
16.04 xenial python-mako –  1.0.3+ds1-1ubuntu1+esm1  
python3-mako –  1.0.3+ds1-1ubuntu1+esm1  

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References

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