| 142913 | Mozilla Firefox ESR < 78.5 | Nessus | Windows | 2020/11/17 | 2025/11/18 | critical |
| 143058 | Mozilla Thunderbird < 78.5 | Nessus | Windows | 2020/11/18 | 2025/11/18 | critical |
| 143531 | GLSA-202012-04 : Mozilla Thunderbird: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | 2020/12/7 | 2025/2/6 | critical |
| 143280 | RHEL 8 : firefox (RHSA-2020:5233) | Nessus | Red Hat Local Security Checks | 2020/11/30 | 2024/11/7 | high |
| 143361 | Scientific Linux Security Update : thunderbird on SL6.x i686/x86_64 (2020:5238) | Nessus | Scientific Linux Local Security Checks | 2020/11/30 | 2024/2/7 | high |
| 143365 | RHEL 8 : firefox (RHSA-2020:5237) | Nessus | Red Hat Local Security Checks | 2020/11/30 | 2024/11/7 | high |
| 143366 | RHEL 6 : firefox (RHSA-2020:5257) | Nessus | Red Hat Local Security Checks | 2020/11/30 | 2024/11/7 | high |
| 143371 | Scientific Linux Security Update : firefox on SL6.x i686/x86_64 (2020:5257) | Nessus | Scientific Linux Local Security Checks | 2020/12/1 | 2024/2/7 | high |
| 294269 | MiracleLinux 4 : firefox-78.5.0-1.0.1.AXS4 (AXSA:2020-966:26) | Nessus | Miracle Linux Local Security Checks | 2026/1/20 | 2026/1/20 | high |
| 143494 | GLSA-202012-03 : Mozilla Firefox: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | 2020/12/7 | 2024/2/7 | high |
| 144004 | CentOS 7 : firefox (RHSA-2020:5239) | Nessus | CentOS Local Security Checks | 2020/12/9 | 2024/10/9 | high |
| 145963 | CentOS 8 : firefox (CESA-2020:5237) | Nessus | CentOS Local Security Checks | 2021/2/1 | 2024/1/24 | high |
| 142910 | Mozilla Firefox < 83.0 | Nessus | Windows | 2020/11/17 | 2025/11/18 | critical |
| 143340 | openSUSE Security Update : MozillaFirefox (openSUSE-2020-2031) | Nessus | SuSE Local Security Checks | 2020/11/30 | 2025/2/6 | critical |
| 143741 | SUSE SLES12 Security Update : MozillaFirefox (SUSE-SU-2020:3548-1) | Nessus | SuSE Local Security Checks | 2020/12/9 | 2025/2/6 | critical |
| 145368 | openSUSE Security Update : MozillaFirefox (openSUSE-2020-2315) | Nessus | SuSE Local Security Checks | 2021/1/25 | 2025/2/6 | critical |
| 143281 | RHEL 8 : thunderbird (RHSA-2020:5232) | Nessus | Red Hat Local Security Checks | 2020/11/30 | 2024/11/7 | high |
| 143368 | Oracle Linux 7 : thunderbird (ELSA-2020-5235) | Nessus | Oracle Linux Local Security Checks | 2020/11/30 | 2024/10/22 | high |
| 143378 | Oracle Linux 7 : firefox (ELSA-2020-5239) | Nessus | Oracle Linux Local Security Checks | 2020/12/1 | 2024/10/23 | high |
| 146197 | Oracle Linux 6 : thunderbird (ELSA-2020-5238) | Nessus | Oracle Linux Local Security Checks | 2021/2/4 | 2024/10/22 | high |
| 143910 | CentOS 7 : thunderbird (RHSA-2020:5235) | Nessus | CentOS Local Security Checks | 2020/12/9 | 2024/10/9 | high |
| 147399 | NewStart CGSL CORE 5.04 / MAIN 5.04 : firefox Multiple Vulnerabilities (NS-SA-2021-0018) | Nessus | NewStart CGSL Local Security Checks | 2021/3/10 | 2022/5/10 | critical |
