CVE-2023-23621 Information

Description

Discourse is an open-source discussion platform. Prior to version 3.0.1 on the stable branch and version 3.1.0.beta2 on the beta and tests-passed branches a malicious user can cause a regular expression denial of service using a carefully crafted user agent. This issue is patched in version 3.0.1 on the stable branch and version 3.1.0.beta2 on the beta and tests-passed branches. There are no known workarounds.

Reference

https://github.com/discourse/discourse/security/advisories/GHSA-mrfp-54hf-jrcv https://github.com/discourse/discourse/commit/6d92c3cbdac431db99a450f360a3048bb3aaf458 https://github.com/discourse/discourse/pull/20002