UpHeron
All vulnerabilities

Servers and applications

CVE-2022-23548

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.

Severity
Medium 6.5
Published
5 Jan 2023
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
2.8.14
Sources
NVD

Affected software

SoftwareAffected versions
DiscourseServers and applications · cpe:a:discourse:discourse
  • Version 3.0.0-beta15
  • Version 2.9.0-beta14
  • Version 2.9.0-beta13
  • Version 2.9.0-beta12
All 15 release lines
  • Every version before 2.8.14
  • Version 2.9.0-beta1
  • Version 2.9.0-beta2
  • Version 2.9.0-beta3
  • Version 2.9.0-beta4
  • Version 2.9.0-beta5
  • Version 2.9.0-beta6
  • Version 2.9.0-beta7
  • Version 2.9.0-beta8
  • Version 2.9.0-beta10
  • Version 2.9.0-beta11
  • Version 2.9.0-beta12
  • Version 2.9.0-beta13
  • Version 2.9.0-beta14
  • Version 3.0.0-beta15

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-23548
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-23548