Servers and applications
CVE-2023-23621
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.…
- Severity
- High 7.5
- Published
- 28 Jan 2023
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 21 Oct 2026
- Fixed in
- 3.0.1
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
DiscourseServers and applications · cpe:a:discourse:discourse |
All 208 release lines
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