CVE-2016-6290 Use after free in n/a
Remote attackers can trigger a use-after-free in PHP's session deserialization, causing denial of service or potential code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-6290?
CVE-2016-6290 is a critical use after free vulnerability in Php Php, published on 25 Jul 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ext/session/session.c in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9 does not properly maintain a certain hash data structure, which allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via vectors related to session deserialization.
Weakness: CWE-416
Which versions are affected by CVE-2016-6290?
It affects 1 product.
Products include Php Php.
How do I fix CVE-2016-6290?
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-2016-6290 being exploited?
There is no known exploitation of CVE-2016-6290 in the wild and no public exploit code.
Other vulnerabilities in Php Php
Sources
Also known as GHSA-v42h-9gp8-3hfq, UBUNTU-CVE-2016-6290.