CVE-2016-7479
Critical
CVE-2016-7479
In all versions of PHP 7, during the unserialization process, resizing the 'properties' hash table of a serialized object may lead to use-after-free. A remote attacker may exploit this bug to gain arbitrary code execution.
Exploit probability
41.9%
Published
January 12, 2017
Required by
Not available
Last source change
August 7, 2026
02 / AFFECTED SOFTWARE
Affected packages
15 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2016-7479
View original source
In all versions of PHP 7, during the unserialization process, resizing the 'properties' hash table of a serialized object may lead to use-after-free. A remote attacker may exploit this bug to gain arbitrary code execution.
05 / REFERENCES
Further evidence
- http://blog.checkpoint.com/2016/12/27/check-point-discovers-three-zero-day-vulnerabilities-web-programming-language-php-7
- http://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdf
- http://www.securityfocus.com/bid/95151
- http://www.securitytracker.com/id/1037659
- https://access.redhat.com/errata/RHSA-2018:1296
- https://bugs.php.net/bug.php?id=73092
- https://security.netapp.com/advisory/ntap-20180112-0001/
- https://www.youtube.com/watch?v=LDcaPstAuPk