Description
Algorithmic complexity vulnerability in wp-trackback.php in WordPress before 2.8.5 allows remote attackers to cause a denial of service (CPU consumption and server hang) via a long title parameter in conjunction with a charset parameter composed of many comma-separated "UTF-8" substrings, related to the mb_convert_encoding function in PHP.
Remediation
References
Related Vulnerabilities
WordPress 3.9.x Denial of Service Vulnerability (3.9 - 3.9.23)
MySQL CVE-2012-0496 Vulnerability (CVE-2012-0496)
Joomla! Core 1.5.x Information Disclosure (1.5.0 - 1.5.11)
ReviveAdserver Cross-Site Request Forgery (CSRF) Vulnerability (CVE-2016-9455)
WebLogic Deserialization of Untrusted Data Vulnerability (CVE-2020-9547)