Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Use-after-free vulnerability in the _zend_shared_memdup function in zend_shared_alloc.c in the OPcache extension in PHP through 5.6.7 allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
PHP Opcache扩展释放后重用漏洞
Vulnerability Description
PHP（PHP：Hypertext Preprocessor，PHP：超文本预处理器）是PHP Group和开放源代码社区共同维护的一种开源的通用计算机脚本语言。OPcache是其中的一个通过将PHP脚本预编译的字节码存储到共享内存中来提升PHP性能的扩展组件。 PHP 5.6.7及之前版本的Opcache扩展中的zend_shared_alloc.c文件中的‘_zend_shared_memdup’函数存在释放后重用漏洞。远程攻击者可利用该漏洞造成拒绝服务。
CVSS Information
N/A
Vulnerability Type
N/A