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

Artifactory Insufficiently Protected Credentials Vulnerability (CVE-2020-2165)

MediaWiki Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') Vulnerability (CVE-2011-0537)

WordPress Plugin Simple Banner Cross-Site Scripting (2.10.3)

MySQL CVE-2021-35632 Vulnerability (CVE-2021-35632)

Apache HTTP Server Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') Vulnerability (CVE-2023-27522)

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