CVE-2024-21655

Insufficient control of custom field value sizes

State: Published
Severity: 4.3 Medium
Published: Jan 12, 2024
Updated: Jun 3, 2025
Reserved: Dec 29, 2023

Description

Discourse is a platform for community discussion. For fields that are client editable, limits on sizes are not imposed. This allows a malicious actor to cause a Discourse instance to use excessive disk space and also often excessive bandwidth. The issue is patched 3.1.4 and 3.2.0.beta4.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L	GitHub_M

Weaknesses

CWE-400 Uncontrolled Resource Consumption

Affected Products

Product	Versions
discoursediscourse	< 3.1.4Affected >= 3.2.0beta1, < 3.2.0.beta4Affected

References

https://github.com/discourse/discourse/security/advisories/GHSA-m5fc-94mm-38fx

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