CVE-2021-30542 Use after free in Chrome
A use-after-free flaw in Chrome's Tab Strip allows attackers to execute arbitrary code via a malicious extension and crafted HTML page.
- 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-2021-30542?
CVE-2021-30542 is a high-severity use after free vulnerability in Fedoraproject Fedora, published on 7 Jun 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
Use after free in Tab Strip in Google Chrome prior to 91.0.4472.77 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page.
Weakness: CWE-416
Which versions are affected by CVE-2021-30542?
It affects 2 products.
Products include Fedoraproject Fedora, Google Chrome.
How do I fix CVE-2021-30542?
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-2021-30542 being exploited?
There is no known exploitation of CVE-2021-30542 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as DEBIAN-CVE-2021-30542, GHSA-hv36-vqw3-9r27, UBUNTU-CVE-2021-30542.