CVE-2020-6819 — Mozilla Firefox And Thunderbird Use-After-Free Vulnerability
2021-11-03 • CISA Known Exploited Vulnerability
[event] 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.
> AFFECTED SOFTWARE
| Field | Value |
|---|---|
| Vendor | Mozilla |
| Product | Firefox and Thunderbird |
| CWE | CWE-362, CWE-416 |
| CVE ID | CVE-2020-6819 |
| Date Added | 2021-11-03 |
| Due Date | 2022-05-03 |
| Ransomware Campaign | Unknown |
> MITIGATION
Apply updates per vendor instructions.
Due Date: 2022-05-03