CVE-2021-41799

medium
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
5.5

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-41799

OS impact

OSVersionStatusFixed in
arch archfixed1.36.2-1
debian debianbookwormfixed1:1.35.4-1
debian debianbullseyefixed1:1.35.4-1~deb11u1
debian debianforkyfixed1:1.35.4-1
debian debiansidfixed1:1.35.4-1
debian debiantrixiefixed1:1.35.4-1

References

Verify integrity in audit chain (admin only). AS-IS.