CVE-2021-36125
An issue was discovered in the CentralAuth extension in MediaWiki through 1.36. The Special:GlobalRenameRequest page is vulnerable to infinite loops and denial of service attacks when a user’s current username is beyond an arbitrary maximum configuration value (MaxNameChars).
Date published : 2021-07-02
https://gerrit.wikimedia.org/r/q/I97d8b3236b5abed8ba9a9c4d3ab5050c2e782c22