Description

An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. A denial of service (resource consumption) can be accomplished by searching for a very long key in a Language Name Search.

Remediation

References

CVE-2021-46149

Related Vulnerabilities

Moodle Uncontrolled Resource Consumption Vulnerability (CVE-2021-32476)

IBM RTC Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2018-1558)

Squid Improper Input Validation Vulnerability (CVE-2016-2570)

SugarCRM Improper Control of Generation of Code ('Code Injection') Vulnerability (CVE-2019-17303)

Apache Tomcat Improper Encoding or Escaping of Output Vulnerability (CVE-2021-30640)

Severity

High

Classification

CVE-2021-46149 CWE-400 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Tags

Missing Update Known Vulnerabilities