CVE-2016-9137 Use after free in n/a

Critical 9.8 Published 4 Jan 2017 Updated 6 Aug 2024

Remote attackers can cause denial of service or potentially execute code via crafted serialized data in the PHP CURLFile implementation.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2016-9137?

CVE-2016-9137 is a critical use after free vulnerability in Php Php, published on 4 Jan 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Use-after-free vulnerability in the CURLFile implementation in ext/curl/curl_file.c in PHP before 5.6.27 and 7.x before 7.0.12 allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data that is mishandled during __wakeup processing.

Weakness: CWE-416

Which versions are affected by CVE-2016-9137?

It affects 1 product.

Products include Php Php.

How do I fix CVE-2016-9137?

Upgrade to a fixed version.

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-2016-9137 being exploited?

There is no known exploitation of CVE-2016-9137 in the wild and no public exploit code.

All Php Php vulnerabilities

Sources

Also known as DSA-3698-1, GHSA-cpf6-fjqm-4hx4, UBUNTU-CVE-2016-9137.