CVE-2016-5771 Use after free in n/a
Remote attackers can execute arbitrary code or cause denial of service via crafted serialized data due to a use-after-free in PHP's SPL extension.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-5771?
CVE-2016-5771 is a critical use after free vulnerability in Debian Debian Linux, published on 7 Aug 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
spl_array.c in the SPL extension in PHP before 5.5.37 and 5.6.x before 5.6.23 improperly interacts with the unserialize implementation and garbage collection, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free and application crash) via crafted serialized data.
Weakness: CWE-416
Which versions are affected by CVE-2016-5771?
It affects 4 products.
Products include Debian Debian Linux, Opensuse Leap, Opensuse Opensuse, Php Php.
How do I fix CVE-2016-5771?
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-2016-5771 being exploited?
There is no known exploitation of CVE-2016-5771 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as GHSA-pxh8-vqh4-j2qq, UBUNTU-CVE-2016-5771.