Use-after-free in PHP - CVE-2016-4473

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Main Vulnerability Database Vulnerabilities #VU110255

Use-after-free in PHP - CVE-2016-4473

Published: June 16, 2017 / Updated: June 8, 2025


Vulnerability identifier: #VU110255
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2016-4473
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: PHP Group
Affected software:
PHP

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

/ext/phar/phar_object.c in PHP 7.0.7 and 5.6.x allows remote attackers to execute arbitrary code. NOTE: Introduced as part of an incomplete fix to CVE-2015-6833.


How to mitigate CVE-2016-4473

Install update from vendor's website.

Sources