Main Vulnerability Database Vulnerabilities #VU12904

Use-after-free error in PHP - CVE-2016-9936

Published: May 3, 2018 / Updated: May 21, 2018

Vulnerability identifier: #VU12904

CSH Severity: Low

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2016-9936

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in the unserialize implementation in ext/standard/var.c due to use-after-free error. A remote attacker can submit crafted serialized data and cause the service to crash.

Affected software

PHP
Arch Linux
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for Power

How to mitigate CVE-2016-9936

Update to version 7.0.14.

External References

https://bugs.php.net/bug.php?id=72978

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