CVE-2021-41799

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CVSS 3.1

7.5 high

EPSS

2%p76

Published

Oct 11, 2021 (Oct 11, 2021)

Modified

Jun 17, 2026

Description

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.

Vendors: mediawiki fedoraproject
Products: mediawiki, fedora
Weakness: CWE-770
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.7%)

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