CVE-2021-4127 Other in Firefox ESR
Outdated graphics library in Thunderbird and Firefox ESR may allow attackers to execute arbitrary code via potential vulnerabilities.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-4127?
CVE-2021-4127 is a critical vulnerability in Mozilla Firefox Esr, published on 22 Dec 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited. This vulnerability affects Thunderbird < 78.9 and Firefox ESR < 78.9.
Which versions are affected by CVE-2021-4127?
It affects 2 products.
Products include Mozilla Firefox Esr, Mozilla Thunderbird.
How do I fix CVE-2021-4127?
Upgrade to a fixed version.
Is CVE-2021-4127 being exploited?
There is no known exploitation of CVE-2021-4127 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox Esr
Sources
Also known as DEBIAN-CVE-2021-4127, GHSA-7wp9-fj5q-c4jc.