CVE-2021-42040

Published: 6 October 2021

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.

Priority

CVSS 3 base score: 7.5

Status

Package	Release	Status
mediawiki Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Needs triage
	hirsute	Ignored (reached end-of-life)
	impish	Needs triage
	jammy	Needs triage
	trusty	Does not exist
	upstream	Needs triage
	xenial	Ignored (out of standard support)

References

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42040
https://gerrit.wikimedia.org/r/q/I0caf6f129f94612b5bcf406a171aa5ffedea1f80
https://phabricator.wikimedia.org/T287347
NVD
Launchpad
Debian

Bugs

Join the discussion

Ubuntu security updates mailing list
Security announcements mailing list

Canonical is offering Extended Security Maintenance

Canonical is offering Ubuntu Extended Security Maintenance (ESM) for security fixes and essential packages.

Find out more about ESM ›