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.

Remediation

References

CVE-2021-42040

Related Vulnerabilities

Coppermine Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2008-7187)

Jboss EAP Allocation of Resources Without Limits or Throttling Vulnerability (CVE-2019-9511)

MediaWiki Other Vulnerability (CVE-2005-0536)

WordPress Plugin PowerPack Lite for Beaver Builder Local File Inclusion (1.3.0.3)

PHP Numeric Errors Vulnerability (CVE-2014-3587)

Severity

High

Classification

CVE-2021-42040 CWE-835 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Tags

Missing Update Known Vulnerabilities