CVE-2021-41799

mediawiki: ApiQueryBacklinks can cause a full table scan and as a result DoS

Published Oct 11, 2021 CVSS 3.1 · 7.5 High EPSS 1.7% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-2779-1 mediawiki security update
Debian DSA Debian DSA DSA-4979-1 mediawiki security update
EUVD EUVD EUVD-2021-28807 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.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 4, 2024, 3:22 AM
Reserved
Sep 29, 2021, 12:00 AM
Status
Modified
Published
Oct 11, 2021, 8:15 AM
Modified
Jun 17, 2026, 4:08 AM
Severity
Moderate
Public date
Sep 30, 2021, 12:00 AM