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CVE-2020-6819 - Mozilla Firefox And Thunderbird Use-After-Free Vulnerability

Project:Mozilla

Product:Firefox and Thunderbird

Date Added:2021-11-03Due Date:2022-05-03

Vulnerability Name

Mozilla Firefox And Thunderbird Use-After-Free Vulnerability

Description

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.

Known To Be Used in Ransomware Campaigns?

Unknown

Action

Apply updates per vendor instructions.

Additional Notes

https://nvd.nist.gov/vuln/detail/CVE-2020-6819