CVE-2017-5056 Use after free in Google Chrome prior to 57.0.2987.133 for Linux, Windows and Mac, and 57.0.2987.132 for Android

High 8.8 Published Updated

A remote attacker can perform an out-of-bounds memory read via a crafted HTML page in Google Chrome.

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-2017-5056?

CVE-2017-5056 is a high-severity use after free vulnerability in Google Chrome, published on 27 Oct 2017. 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

A use after free in Blink in Google Chrome prior to 57.0.2987.133 for Linux, Windows, and Mac, and 57.0.2987.132 for Android, allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page.

Weakness: CWE-416

Which versions are affected by CVE-2017-5056?

It affects 4 products.

Products include Google Chrome, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation.

How do I fix CVE-2017-5056?

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-2017-5056 being exploited?

There is no known exploitation of CVE-2017-5056 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as GHSA-xj6g-jqvr-8wx7, UBUNTU-CVE-2017-5056.

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