[floatingatoll]

https://www.mozilla.org/en-US/security/advisories/mfsa2020-1...

> fixed in Firefox 74.0.1 and Firefox ESR 68.6.1

CVE-2020-6819: Use-after-free while running the nsDocShell destructor

CVE-2020-6820: Use-after-free when handling a ReadableStream