{"cvss":0.0,"datePublished":"2021-11-03","dateUpdated":"2021-11-03","description":"Mozilla Firefox and Thunderbird contain a race condition vulnerability when handling a ReadableStream under certain conditions. The race condition creates a use-after-free vulnerability, causing unspecified impacts.","dueDate":"2022-05-03","id":"CVE-2020-6820","kev_catalogs":["cisa"],"knownRansomwareCampaignUse":"Unknown","notes":"https://nvd.nist.gov/vuln/detail/CVE-2020-6820","product":"Firefox and Thunderbird","requiredAction":"Apply updates per vendor instructions.","severity":"HIGH","source":"cisa_known_exploited","title":"Mozilla Firefox And Thunderbird Use-After-Free Vulnerability","vendor":"Mozilla"}