CVE-2019-5809 Use after free in Chrome

High 8.8 Published Updated

A use-after-free flaw in Chrome's file chooser allows remote attackers with compromised renderer processes to escalate privileges via crafted HTML pages.

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-2019-5809?

CVE-2019-5809 is a high-severity use after free vulnerability in Debian Debian Linux, published on 27 Jun 2019. 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

Use after free in file chooser in Google Chrome prior to 74.0.3729.108 allowed a remote attacker who had compromised the renderer process to perform privilege escalation via a crafted HTML page.

Weakness: CWE-416

Which versions are affected by CVE-2019-5809?

It affects 5 products.

Products include Debian Debian Linux, Fedoraproject Fedora, Google Chrome, Opensuse Backports, Opensuse Leap.

How do I fix CVE-2019-5809?

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-2019-5809 being exploited?

There is no known exploitation of CVE-2019-5809 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2019-5809, GHSA-7rp7-rwgf-3fv6.

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