CVE-2020-6820· mozilla / firefox and thunderbird· CWE-362
Mozilla Firefox And Thunderbird Use-After-Free Vulnerability
Exploited in the wild. Listed by CISA on 2021-11-03; known to be used by ransomware.
7.1%likelihood of exploitation, next 30 days
94%of all CVEs are less likely
Nonecheck to confirm it
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.
No ready check is stored for this CVE. Confirm it by hand from the references.
References
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