CVE-2015-6832 Use after free in n/a

High 7.3 Published 19 Jan 2016 Updated 6 Aug 2024

Remote attackers can execute arbitrary code via crafted serialized data exploiting a use-after-free flaw in the PHP SPL unserialize 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-2015-6832?

CVE-2015-6832 is a high-severity use after free vulnerability in Php Php, published on 19 Jan 2016. 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 SPL unserialize implementation in ext/spl/spl_array.c in PHP before 5.4.44, 5.5.x before 5.5.28, and 5.6.x before 5.6.12 allows remote attackers to execute arbitrary code via crafted serialized data that triggers misuse of an array field.

Which versions are affected by CVE-2015-6832?

It affects 1 product.

Products include Php Php.

How do I fix CVE-2015-6832?

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-2015-6832 being exploited?

There is no known exploitation of CVE-2015-6832 in the wild and no public exploit code.

All Php Php vulnerabilities

Sources

Also known as GHSA-7c6h-7vfv-vrfm, UBUNTU-CVE-2015-6832.