UpHeron
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Servers and applications

CVE-2022-41921

Discourse is an open-source discussion platform. Prior to version 2.9.0.beta13, users can post chat messages of an unlimited length, which can cause a denial of service for other users when posting huge amounts of text. Users should upgrade to version 2.9.0.beta13, where a limit has been introduced. No known workarounds are available.

Severity
Medium 4.3
Published
28 Nov 2022
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
2.9.0
Sources
NVD

Affected software

SoftwareAffected versions
DiscourseServers and applications · cpe:a:discourse:discourse
  • Version 2.9.0-beta12
  • Version 2.9.0-beta11
  • Version 2.9.0-beta10
  • Version 2.9.0-beta9
All 13 release lines
  • Every version before 2.9.0
  • 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-beta9
  • Version 2.9.0-beta10
  • Version 2.9.0-beta11
  • Version 2.9.0-beta12

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-41921
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-41921