CVE-2015-1351

CVE-2015-1351 is a use-after-free vulnerability in the OPcache extension of PHP versions through 5.6.7, specifically within the _zend_shared_memdup function. This flaw allows remote attackers to trigger a denial of service or potentially achieve other unspecified impacts. With a CVSS score of 7.5, it is considered highly severe due to its network attack vector, low attack complexity, and potential for partial confidentiality, integrity, and availability impacts. Despite its severity, there is no evidence of active exploitation, no public exploit code available (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.