{"schemaVersion":3,"id":"CVE-2020-6820","aliases":["UBUNTU-CVE-2020-6820","DEBIAN-CVE-2020-6820"],"status":"published","duplicateOf":null,"title":"Mozilla Firefox And Thunderbird Use-After-Free Vulnerability","description":"Under certain conditions, when handling a ReadableStream, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. 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