CVE-2022-41921

Discourse chat messages should have a maximum character limit

State: Published
Severity: 3.5 Low
Published: Nov 28, 2022
Updated: Apr 23, 2025
Reserved: Sep 30, 2022

Description

Discourse is an open-source discussion platform. Prior to version 2.9.0.beta13, users can post chat messages of an unlimited length, which can cause a denial of service for other users when posting huge amounts of text. Users should upgrade to version 2.9.0.beta13, where a limit has been introduced. No known workarounds are available.

Scores

CVSS	Score	Vector	Source
3.1	3.5 Low	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L	GitHub_M

Weaknesses

CWE-20 Improper Input Validation

Affected Products

Product	Versions
discoursediscourse	< 2.9.0.beta13Affected

References

https://github.com/discourse/discourse/security/advisories/GHSA-mfh7-6cv6-qccc
https://github.com/discourse/discourse/commit/3de765c89524a526ce611e11468d758a471a933f

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