All vulnerabilities

Servers and applications

CVE-2024-53851

Discourse is an open source platform for community discussion. In affected versions the endpoint for generating inline oneboxes for URLs wasn't enforcing limits on the number of URLs that it accepted, allowing a malicious user to inflict denial of service on some parts of the app. This vulnerability is only exploitable by authenticated users. This issue has been patched in the latest stable,…

Severity
Medium 6.5
Published
4 Feb 2025
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
3.3.3, 3.4.0
Sources
NVD

Affected software

SoftwareAffected versions
DiscourseServers and applications · cpe:a:discourse:discourse
  • Every version before 3.3.3
  • Every version before 3.4.0
  • Version 3.4.0-beta1
  • Version 3.4.0-beta2
  • Version 3.4.0-beta3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2024-53851
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2024-53851