What’s Vulnerable › Vulnerabilities

CVE-2016-1904

• Severity: high (CVSS 7.3 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2016-01-19 · updated 2026-06-17
• Weakness: CWE-189

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.

Affected products

• PHP: 7.0.0, 7.0.1

References

• http://www.openwall.com/lists/oss-security/2016/01/14/8
• http://www.php.net/ChangeLog-7.php
• http://www.securitytracker.com/id/1034608
• https://bugs.php.net/bug.php?id=71270
• https://github.com/php/php-src/commit/2871c70efaaaa0f102557a17c727fd4d5204dd4b
• http://www.openwall.com/lists/oss-security/2016/01/14/8
• http://www.php.net/ChangeLog-7.php
• http://www.securitytracker.com/id/1034608
• https://bugs.php.net/bug.php?id=71270
• https://github.com/php/php-src/commit/2871c70efaaaa0f102557a17c727fd4d5204dd4b

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