| 143531 | GLSA-202012-04 : Mozilla Thunderbird: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | 12/7/2020 | 2/6/2025 | critical |
| 147399 | NewStart CGSL CORE 5.04 / MAIN 5.04 : firefox Multiple Vulnerabilities (NS-SA-2021-0018) | Nessus | NewStart CGSL Local Security Checks | 3/10/2021 | 5/10/2022 | critical |
| 143281 | RHEL 8 : thunderbird (RHSA-2020:5232) | Nessus | Red Hat Local Security Checks | 11/30/2020 | 11/7/2024 | high |
| 143368 | Oracle Linux 7 : thunderbird (ELSA-2020-5235) | Nessus | Oracle Linux Local Security Checks | 11/30/2020 | 10/22/2024 | high |
| 143378 | Oracle Linux 7 : firefox (ELSA-2020-5239) | Nessus | Oracle Linux Local Security Checks | 12/1/2020 | 10/23/2024 | high |
| 143910 | CentOS 7 : thunderbird (RHSA-2020:5235) | Nessus | CentOS Local Security Checks | 12/9/2020 | 10/9/2024 | high |
| 146197 | Oracle Linux 6 : thunderbird (ELSA-2020-5238) | Nessus | Oracle Linux Local Security Checks | 2/4/2021 | 10/22/2024 | high |
| 143280 | RHEL 8 : firefox (RHSA-2020:5233) | Nessus | Red Hat Local Security Checks | 11/30/2020 | 11/7/2024 | high |
| 143361 | Scientific Linux Security Update : thunderbird on SL6.x i686/x86_64 (2020:5238) | Nessus | Scientific Linux Local Security Checks | 11/30/2020 | 2/7/2024 | high |
| 143365 | RHEL 8 : firefox (RHSA-2020:5237) | Nessus | Red Hat Local Security Checks | 11/30/2020 | 11/7/2024 | high |
| 143366 | RHEL 6 : firefox (RHSA-2020:5257) | Nessus | Red Hat Local Security Checks | 11/30/2020 | 11/7/2024 | high |
| 143371 | Scientific Linux Security Update : firefox on SL6.x i686/x86_64 (2020:5257) | Nessus | Scientific Linux Local Security Checks | 12/1/2020 | 2/7/2024 | high |
| 143494 | GLSA-202012-03 : Mozilla Firefox: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | 12/7/2020 | 2/7/2024 | high |
| 144004 | CentOS 7 : firefox (RHSA-2020:5239) | Nessus | CentOS Local Security Checks | 12/9/2020 | 10/9/2024 | high |
| 145963 | CentOS 8 : firefox (CESA-2020:5237) | Nessus | CentOS Local Security Checks | 2/1/2021 | 1/24/2024 | high |
| 294269 | MiracleLinux 4 : firefox-78.5.0-1.0.1.AXS4 (AXSA:2020-966:26) | Nessus | Miracle Linux Local Security Checks | 1/20/2026 | 1/20/2026 | high |
| 142910 | Mozilla Firefox < 83.0 | Nessus | Windows | 11/17/2020 | 11/18/2025 | critical |
| 143340 | openSUSE Security Update : MozillaFirefox (openSUSE-2020-2031) | Nessus | SuSE Local Security Checks | 11/30/2020 | 2/6/2025 | critical |
| 143741 | SUSE SLES12 Security Update : MozillaFirefox (SUSE-SU-2020:3548-1) | Nessus | SuSE Local Security Checks | 12/9/2020 | 2/6/2025 | critical |
| 145368 | openSUSE Security Update : MozillaFirefox (openSUSE-2020-2315) | Nessus | SuSE Local Security Checks | 1/25/2021 | 2/6/2025 | critical |
