UpHeron
All vulnerabilities

Servers and applications

CVE-2021-41800

MediaWiki before 1.36.2 allows a denial of service (resource consumption because of lengthy query processing time). Visiting Special:Contributions can sometimes result in a long running SQL query because PoolCounter protection is mishandled.

Severity
Medium 5.3
Published
11 Oct 2021
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
1.36.2
Sources
NVD

Affected software

SoftwareAffected versions
MediaWikiServers and applications · cpe:a:mediawiki:mediawiki
  • Every version before 1.36.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-41800
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-41800