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Ubuntu 7343-1: Jinja2 Security Advisory Updates

ubuntu
Calendar Grey March 12, 2025
Dist Ubuntu Esm H88
Security issues fixed in Jinja2 for multiple Ubuntu versions, addressing execution risks and code exploitation.
Several security issues were fixed in Jinja2.

Summary

Several security issues were fixed in Jinja2.

Software Description:

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

Details:

Rafal Krupinski discovered that Jinja2 did not properly restrict

the execution of code in situations where templates are used maliciously.

An attacker with control over a template's filename and content could

potentially use this issue to enable the execution of arbitrary code.

This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS.

(CVE-2024-56201)

It was discovered that Jinja2 sandboxed environments could be escaped

through a call to a string format method. An attacker could possibly use

this issue to enable the execution of arbitrary code. This issue only

affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2024-56326)

It was discovered that Jinja2 sandboxed environments could be escaped

through the malicious use of certain filters. An attacker could possibly

use this issue to enable the execution of ...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory moderate Ubuntu update instructions arbitrary code execution issue jinja2

Update Instructions

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

Ubuntu 24.10
   python3-jinja2                  3.1.3-1ubuntu1.24.10.2

Ubuntu 24.04 LTS
   python3-jinja2                  3.1.2-1ubuntu1.3

Ubuntu 22.04 LTS
   python3-jinja2                  3.0.3-1ubuntu0.4

Ubuntu 20.04 LTS
   python-jinja2                   2.10.1-2ubuntu0.5
   python3-jinja2                  2.10.1-2ubuntu0.5

Ubuntu 18.04 LTS
   python-jinja2                   2.10-1ubuntu0.18.04.1+esm4
                                   Available with Ubuntu Pro
   python3-jinja2                  2.10-1ubuntu0.18.04.1+esm4
                                   Available with Ubuntu Pro

Ubuntu 16.04 LTS
   python-jinja2                   2.8-1ubuntu0.1+esm5
                                   Available with Ubuntu Pro
   python3-jinja2                  2.8-1ubuntu0.1+esm5
                                   Available with Ubuntu Pro

Ubuntu 14.04 LTS
   python-jinja2                   2.7.2-2ubuntu0.1~esm6
                                   Available with Ubuntu Pro
   python3-jinja2                  2.7.2-2ubuntu0.1~esm6
                                   Available with Ubuntu Pro

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

References

  https://ubuntu.com/security/notices/USN-7343-1

  CVE-2024-56201, CVE-2024-56326, CVE-2025-27516

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7343-1

Topics%20covered

Topics Covered

security advisory moderate Ubuntu update instructions arbitrary code execution issue jinja2

Package Information

https://launchpad.net/ubuntu/+source/jinja2/3.1.3-1ubuntu1.24.10.2
  https://launchpad.net/ubuntu/+source/jinja2/3.1.2-1ubuntu1.3
  https://launchpad.net/ubuntu/+source/jinja2/3.0.3-1ubuntu0.4
  https://launchpad.net/ubuntu/+source/jinja2/2.10.1-2ubuntu0.5

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