CVE-2021-21227 Memory corruption in Chrome
Remote attackers can exploit heap corruption in V8 via crafted HTML pages, potentially executing arbitrary code 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-2021-21227?
CVE-2021-21227 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 30 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
Insufficient data validation in V8 in Google Chrome prior to 90.0.4430.93 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Weakness: CWE-787
Which versions are affected by CVE-2021-21227?
It affects 3 products.
Products include Debian Debian Linux, Fedoraproject Fedora, Google Chrome.
How do I fix CVE-2021-21227?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-21227 being exploited?
There is no known exploitation of CVE-2021-21227 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2021-21227, GHSA-9rfv-6m36-5qf3, UBUNTU-CVE-2021-21227.