Description
Heap-based buffer overflow in ext/mbstring/libmbfl/filters/mbfilter_htmlent.c in the mbstring extension in PHP 4.3.0 through 5.2.6 allows context-dependent attackers to execute arbitrary code via a crafted string containing an HTML entity, which is not properly handled during Unicode conversion, related to the (1) mb_convert_encoding, (2) mb_check_encoding, (3) mb_convert_variables, and (4) mb_parse_str functions.
Remediation
References
Related Vulnerabilities
Joomla! Core Cross-Site Scripting (1.5.0 - 3.7.3)
WordPress Plugin WatchMan-Site7 Cross-Site Request Forgery (3.0.2)
Craft CMS Missing Encryption of Sensitive Data Vulnerability (CVE-2018-20465)
PHP Other Vulnerability (CVE-2005-1042)
MongoDb Improper Certificate Validation Vulnerability (CVE-2023-1409)