High severity7.5NVD Advisory· Published Oct 6, 2021· Updated Jun 17, 2026
CVE-2021-42040
CVE-2021-42040
Description
An issue was discovered in MediaWiki through 1.36.2. A parser function related to loop control allowed for an infinite loop (and php-fpm hang) within the Loops extension because egLoopsCountLimit is mishandled. This could lead to memory exhaustion.
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Affected products
3- Range: <=1.36.2
Patches
Vulnerability mechanics
References
2- gerrit.wikimedia.org/r/q/I0caf6f129f94612b5bcf406a171aa5ffedea1f80nvdPatchVendor Advisory
- phabricator.wikimedia.org/T287347nvdPatchVendor Advisory
News mentions
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