CVE-2024-21655 MEDIUM

CVE-2024-21655: Insufficient control of custom field value sizes

Vendor Discourse
Product discourse
Weakness CWE-400
Published January 12, 2024
Last update June 3, 2025
View on NVD All CVEs

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 12, 2024 CVE published
June 3, 2025 Record updated