CVE-2016-5156 Use after free in n/a

High 8.8 Published Updated

Remote attackers can trigger a use-after-free in Chrome event bindings, 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
A user has to click or open something
Fix
Available

What is CVE-2016-5156?

CVE-2016-5156 is a high-severity use after free vulnerability in Google Chrome, published on 11 Sep 2016. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

extensions/renderer/event_bindings.cc in the event bindings in Google Chrome before 53.0.2785.89 on Windows and OS X and before 53.0.2785.92 on Linux attempts to process filtered events after failure to add an event matcher, which allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via unknown vectors.

Weakness: CWE-416

Which versions are affected by CVE-2016-5156?

It affects 2 products.

Products include Google Chrome, Opensuse Leap.

How do I fix CVE-2016-5156?

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-2016-5156 being exploited?

There is no known exploitation of CVE-2016-5156 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as GHSA-c4wc-cqvh-5hgr, UBUNTU-CVE-2016-5156.

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