Vulnerability Details CVE-2015-4026
The pcntl_exec implementation in PHP before 5.4.41, 5.5.x before 5.5.25, and 5.6.x before 5.6.9 truncates a pathname upon encountering a \x00 character, which might allow remote attackers to bypass intended extension restrictions and execute files with unexpected names via a crafted first argument. NOTE: this vulnerability exists because of an incomplete fix for CVE-2006-7243.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.037
EPSS Ranking 87.4%
CVSS Severity
CVSS v2 Score 7.5