| 138493 | SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2020:1898-1) | Nessus | SuSE Local Security Checks | 7/15/2020 | 3/1/2024 | high |
| 138932 | GLSA-202007-09 : Mozilla Thunderbird: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | 7/27/2020 | 2/28/2024 | high |
| 138378 | CentOS 6 : firefox (RHSA-2020:2824) | Nessus | CentOS Local Security Checks | 7/10/2020 | 10/9/2024 | high |
| 138559 | RHEL 6 : thunderbird (RHSA-2020:2966) | Nessus | Red Hat Local Security Checks | 7/16/2020 | 11/7/2024 | high |
| 138662 | Oracle Linux 6 : thunderbird (ELSA-2020-2966) | Nessus | Oracle Linux Local Security Checks | 7/20/2020 | 10/22/2024 | high |
| 293816 | MiracleLinux 7 : firefox-68.10.0-1.0.1.el7.AXS7 (AXSA:2020-210:14) | Nessus | Miracle Linux Local Security Checks | 1/20/2026 | 1/20/2026 | high |
| 247850 | Linux Distros Unpatched Vulnerability : CVE-2020-12421 | Nessus | Misc. | 8/11/2025 | 7/24/2026 | medium |
| 138107 | Debian DSA-4718-1 : thunderbird - security update | Nessus | Debian Local Security Checks | 7/6/2020 | 3/4/2024 | high |
| 138144 | RHEL 7 : firefox (RHSA-2020:2827) | Nessus | Red Hat Local Security Checks | 7/7/2020 | 11/7/2024 | high |
| 138204 | Oracle Linux 7 : firefox (ELSA-2020-2827) | Nessus | Oracle Linux Local Security Checks | 7/8/2020 | 10/23/2024 | high |
| 138450 | RHEL 8 : thunderbird (RHSA-2020:2907) | Nessus | Red Hat Local Security Checks | 7/14/2020 | 11/7/2024 | high |
| 138786 | openSUSE Security Update : MozillaFirefox (openSUSE-2020-1017) | Nessus | SuSE Local Security Checks | 7/21/2020 | 2/29/2024 | high |
| 143966 | NewStart CGSL CORE 5.04 / MAIN 5.04 : firefox Multiple Vulnerabilities (NS-SA-2020-0081) | Nessus | NewStart CGSL Local Security Checks | 12/9/2020 | 2/5/2024 | high |
| 154550 | NewStart CGSL CORE 5.05 / MAIN 5.05 : thunderbird Multiple Vulnerabilities (NS-SA-2021-0140) | Nessus | NewStart CGSL Local Security Checks | 10/27/2021 | 11/27/2023 | high |
| 154596 | NewStart CGSL CORE 5.05 / MAIN 5.05 : firefox Multiple Vulnerabilities (NS-SA-2021-0137) | Nessus | NewStart CGSL Local Security Checks | 10/28/2021 | 11/27/2023 | high |
| 235070 | Amazon Linux 2 : thunderbird (ALAS-2025-2836) | Nessus | Amazon Linux Local Security Checks | 5/1/2025 | 10/30/2025 | high |
| 294142 | MiracleLinux 4 : firefox-68.10.0-1.0.1.AXS4 (AXSA:2020-213:15) | Nessus | Miracle Linux Local Security Checks | 1/20/2026 | 1/20/2026 | high |
| 208547 | CentOS 6 : thunderbird (RHSA-2020:2966) | Nessus | CentOS Local Security Checks | 10/9/2024 | 10/9/2024 | high |
| 147331 | NewStart CGSL MAIN 6.02 : thunderbird Multiple Vulnerabilities (NS-SA-2021-0056) | Nessus | NewStart CGSL Local Security Checks | 3/10/2021 | 1/11/2024 | high |
| 147407 | NewStart CGSL MAIN 4.06 : firefox Multiple Vulnerabilities (NS-SA-2021-0004) | Nessus | NewStart CGSL Local Security Checks | 3/10/2021 | 4/25/2023 | critical |
