CVE-2022-23548

MEDIUM

Discourse < 2.8.14 - Regular Expression Denial of Service

Title source: llm
STIX 2.1

Description

Discourse is an option source discussion platform. Prior to version 2.8.14 on the `stable` branch and version 2.9.0.beta16 on the `beta` and `tests-passed` branches, parsing posts can be susceptible to regular expression denial of service (ReDoS) attacks. This issue is patched in versions 2.8.14 and 2.9.0.beta16. There are no known workarounds.

References (2)

Core 2

Scores

CVSS v3 6.5
EPSS 0.0073
EPSS Percentile 49.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-1333
Status published
Products (3)
discourse/discourse 2.9.0 beta1 (13 CPE variants)
discourse/discourse 3.0.0 beta15
discourse/discourse < 2.8.14
Published Jan 05, 2023
Tracked Since Feb 18, 2026