USN-7244-1: Jinja2 vulnerabilities

Publication date

30 January 2025

Overview

Several security issues were fixed in jinja2.


Packages

  • jinja2 - small but fast and easy to use stand-alone template engine

Details

It was discovered that Jinja2 incorrectly handled certain filenames when
compiling template content. An attacker could possibly use this issue to
execute arbitrary code. (CVE-2024-56201)

It was discovered that Jinja2 incorrectly handled string formatting calls.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2024-56326)

It was discovered that Jinja2 incorrectly handled certain filenames when
compiling template content. An attacker could possibly use this issue to
execute arbitrary code. (CVE-2024-56201)

It was discovered that Jinja2 incorrectly handled string formatting calls.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2024-56326)

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
24.10 oracular python3-jinja2 –  3.1.3-1ubuntu1.24.10.1
24.04 noble python3-jinja2 –  3.1.2-1ubuntu1.2
22.04 jammy python3-jinja2 –  3.0.3-1ubuntu0.3
20.04 focal python-jinja2 –  2.10.1-2ubuntu0.4
python3-jinja2 –  2.10.1-2ubuntu0.4
18.04 bionic python-jinja2 –  2.10-1ubuntu0.18.04.1+esm3  
python3-jinja2 –  2.10-1ubuntu0.18.04.1+esm3  

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