CVE-2021-21223 Integer overflow in Chrome
A remote attacker with compromised renderer access can escape the sandbox via integer overflow in Mojo, requiring an upgrade to 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-2021-21223?
CVE-2021-21223 is a critical vulnerability in Debian Debian Linux, published on 26 Apr 2021. 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
Integer overflow in Mojo in Google Chrome prior to 90.0.4430.85 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
Weakness: CWE-190
Which versions are affected by CVE-2021-21223?
It affects 3 products.
Products include Debian Debian Linux, Fedoraproject Fedora, Google Chrome.
How do I fix CVE-2021-21223?
Upgrade to a fixed version.
Is CVE-2021-21223 being exploited?
There is no known exploitation of CVE-2021-21223 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2021-21223, GHSA-5qw2-5c88-vprw, UBUNTU-CVE-2021-21223.