CVE-2020-6820 1

Vulnerability (CVE)

CVE-2020-6820: Mozilla Firefox And Thunderbird Use-After-Free Vulnerability

Known Exploited Vulnerabilities CISA KEV Catalog Nov 03, 2021

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.

Vulnerabilities & Patching