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Ubuntu 22.04 LTS USN-7128-1: pygments denial of service advisory

ubuntu
Calendar Grey November 26, 2024
Dist Ubuntu Esm H88
A critical flaw in Pygments impacts Ubuntu 22.04 LTS, leading to unexpected terminations when handling maliciously designed inputs.
Pygments could be made to crash if it received specially crafted input.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS Summary: Pygments could be made to crash if it received specially crafted input. Software Description: - pygments: Generic syntax highlighter Details: Sebastian Chnelik discovered that Pygments had an inefficient regex query for analyzing 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 input handling pygments

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS   python3-pygments                2.11.2+dfsg-2ubuntu0.1 In general, a standard system update will make all the necessary changes.

References

  https://ubuntu.com/security/notices/USN-7128-1

  CVE-2022-40896

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7128-1

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu input handling pygments

Package Information

https://launchpad.net/ubuntu/+source/pygments/2.11.2+dfsg-2ubuntu0.1

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