All vulnerabilities

Servers and applications

CVE-2021-41799

MediaWiki before 1.36.2 allows a denial of service (resource consumption because of lengthy query processing time). ApiQueryBacklinks (action=query&list=backlinks) can cause a full table scan.

Severity
High 7.5
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-2021-41799
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-41799