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Ubuntu 16.04 ESM USN-5701-1 Critical: Jinja2 Denial Of Service Risk

ubuntu
Calendar Grey October 26, 2022
Dist Ubuntu Esm H88
Recent updates on a Jinja2 vulnerability in Ubuntu 16.04 ESM reveal serious risks of denial-of-service attacks from crafted inputs, urging users to patch
Jinja2 could be made to hang if it received specially crafted input.

Summary

Jinja2 could be made to hang if it received specially crafted input.

Software Description:

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

Details:

Yeting Li discovered that Jinja2 incorrectly handled certain inputs.

An attacker could possibly use this issue to cause a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service ubuntu quality assurance jinja2

Update Instructions

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

Ubuntu 16.04 ESM:
   python-jinja2                   2.8-1ubuntu0.1+esm1
   python3-jinja2                  2.8-1ubuntu0.1+esm1

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

References

CVE-2020-28493

Severity
critical
Lowest
Low
Medium
High
Critical

October 26, 2022

Topics%20covered

Topics Covered

security advisory denial of service ubuntu quality assurance jinja2

Package Information

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