Vulnerability Information
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Vulnerability Title
mb_strtolower (UTF-32LE): stack-buffer-overflow at php_unicode_tolower_full
Vulnerability Description
In PHP versions 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using mb_strtolower() function with UTF-32LE encoding, certain invalid strings could cause PHP to overwrite stack-allocated buffer. This could lead to memory corruption, crashes and potentially code execution.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
Vulnerability Type
栈缓冲区溢出
Vulnerability Title
PHP 缓冲区错误漏洞
Vulnerability Description
PHP（PHP：Hypertext Preprocessor，PHP：超文本预处理器）是PHPGroup和开放源代码社区的共同维护的一种开源的通用计算机脚本语言。该语言主要用于Web开发，支持多种数据库及操作系统。 PHP 7.3.16之前的7.3.x版本和7.4.4之前的7.4.x版本中存在缓冲区错误漏洞。攻击者可利用该漏洞导致内存损坏，崩溃以及代码执行。
CVSS Information
N/A
Vulnerability Type
N/A