Mozilla has rolled out a Firefox 74.0.1 and Firefox 68.6.1 ESR. If you are a Firefox user, you should update your web browser ASAP, as the company has resolved two critical vulnerabilities in Firefox, and exploits are already available.
The fixed vulnerabilities are
- CVE-2020-6819: Use-after-free while running the nsDocShell destructor. Under certain conditions, when running the nsDocShell destructor, a race condition can cause a use-after-free.
- CVE-2020-6820: Use-after-free when handling a ReadableStream. Under certain conditions, when handling a ReadableStream, a race condition can cause a use-after-free.
To install the update manually,
- Open Firefox.
- Press Alt+H.
- Select Help > About Firefox from the main menu.
- This will make the browser check for updates and install the latest available version of the app.
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