CVE-2016-1904

Name	CVE-2016-1904
Description	Multiple integer overflows in ext/standard/exec.c in PHP 7.x before 7.0.2 allow remote attackers to cause a denial of service or possibly have unspecified other impact via a long string to the (1) php_escape_shell_cmd or (2) php_escape_shell_arg function, leading to a heap-based buffer overflow.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version
php5	source	(unstable)	(not affected)
php5.6	source	(unstable)	(not affected)
php7.0	source	(unstable)	7.0.2-1

Notes

- php5 <not-affected> (Vulnerable code not present)
- php5.6 <not-affected> (Vulnerable code not present)
Already using safe_emalloc() in php_escape_shell_cmd()
https://bugs.php.net/bug.php?id=71270
https://github.com/php/php-src/commit/2871c70efaaaa0f102557a17c727fd4d5204dd4b