CVE-2020-6819
Mozilla Firefox and Thunderbird
Mozilla Firefox And Thunderbird Use-After-Free Vulnerability
What it is
Mozilla Firefox and Thunderbird contain a race condition vulnerability when running the nsDocShell destructor under certain conditions. The race condition creates a use-after-free vulnerability, causing unspecified impacts.
What to do
Apply updates per vendor instructions.
Vendor notices and references
Description and required action as published by CISA. Full record at NVD.
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