Related Vulnerabilities: CVE-2021-41799  

A security issue has been found in MediaWiki before version 1.36.2. ApiQueryBacklinks can cause a full table scan, leading to high resource consumption.

Severity Medium

Remote Yes

Type Denial of service

Description

A security issue has been found in MediaWiki before version 1.36.2. ApiQueryBacklinks can cause a full table scan, leading to high resource consumption.

AVG-2434 mediawiki 1.36.1-1 Medium Vulnerable

https://lists.wikimedia.org/hyperkitty/list/mediawiki-announce@lists.wikimedia.org/thread/2IFS5CM2YV4VMSODPX3J2LFHKSEWVFV5/
https://phabricator.wikimedia.org/T290379
https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+/2533b13a4874da018e264a4f87a8e58313d02611%5E%21/