CVE-2024-21658

Insufficient control of region value length in discourse-calendar

Published Aug 30, 2024 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
discourse-calendar is a discourse plugin which adds the ability to create a dynamic calendar in the first post of a topic. The limit on region value length is too generous. This allows a malicious actor to cause a Discourse instance to use excessive bandwidth and disk space. This issue has been patched in main the main branch. There are no workarounds for this vulnerability. Please upgrade as soon as possible.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-19284 discourse-calendar is a discourse plugin which adds the ability to create a dynamic calendar in the first post of a topic. The limit on region value length is too generous. This allows a malicious actor to cause a Discourse instance to use excessive bandwidth and disk space. This issue has been patched in main the main branch. There are no workarounds for this vulnerability. Please upgrade as soon as possible.
History
Type Values Removed Values Added
First Time appeared Discourse
Discourse discourse Calendar
Weaknesses CWE-770
CPEs cpe:2.3:a:discourse:discourse_calendar:*:*:*:*:*:discourse:*:*
Vendors & Products Discourse
Discourse discourse Calendar
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description discourse-calendar is a discourse plugin which adds the ability to create a dynamic calendar in the first post of a topic. The limit on region value length is too generous. This allows a malicious actor to cause a Discourse instance to use excessive bandwidth and disk space. This issue has been patched in main the main branch. There are no workarounds for this vulnerability. Please upgrade as soon as possible.
Title Insufficient control of region value length in discourse-calendar
Weaknesses CWE-400
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Aug 30, 2024, 6:00 PM
Reserved
Dec 29, 2023, 4:10 PM
Status
Analyzed
Published
Aug 30, 2024, 6:15 PM
Modified
Jun 17, 2026, 7:09 AM