CVE-2016-7479 Use after free in PHP 7.x

What is CVE-2016-7479?

CVE-2016-7479 is a critical use after free vulnerability in Php Php, published on 12 Jan 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-416

Which versions are affected by CVE-2016-7479?

It affects 1 product.

Products include Php Php.

How do I fix CVE-2016-7479?

Apply the vendor's patch.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2016-7479 being exploited?

There is no known exploitation of CVE-2016-7479 in the wild and no public exploit code.

Other vulnerabilities in Php Php

• CVE-2012-2688 Integer overflow in n/a Critical 10.0
• CVE-2012-2376 Memory corruption in n/a Critical 10.0
• CVE-2011-3268 Memory corruption in n/a Critical 10.0
• CVE-2009-4143 Other in n/a Critical 10.0
• CVE-2008-5557 Memory corruption in n/a Critical 10.0

All Php Php vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-x9vm-7p3c-2c8q, UBUNTU-CVE-2016-7479.