| 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 |
| 143741 | SUSE SLES12 Security Update : MozillaFirefox (SUSE-SU-2020:3548-1) | Nessus | SuSE Local Security Checks | 12/9/2020 | 2/6/2025 | critical |
| 144004 | CentOS 7 : firefox (RHSA-2020:5239) | Nessus | CentOS Local Security Checks | 12/9/2020 | 10/9/2024 | high |
| 145368 | openSUSE Security Update : MozillaFirefox (openSUSE-2020-2315) | Nessus | SuSE Local Security Checks | 1/25/2021 | 2/6/2025 | critical |
| 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 |
| 142911 | Mozilla Firefox < 83.0 | Nessus | MacOS X Local Security Checks | 11/17/2020 | 11/18/2025 | critical |
| 143059 | Mozilla Thunderbird < 78.5 | Nessus | MacOS X Local Security Checks | 11/18/2020 | 11/18/2025 | critical |
| 146200 | Oracle Linux 6 : firefox (ELSA-2020-5257) | Nessus | Oracle Linux Local Security Checks | 2/4/2021 | 10/22/2024 | high |
| 145070 | RHEL 8 : firefox (RHSA-2020:5314) | Nessus | Red Hat Local Security Checks | 1/19/2021 | 11/7/2024 | high |
| 143130 | Debian DSA-4793-1 : firefox-esr - security update | Nessus | Debian Local Security Checks | 11/20/2020 | 2/8/2024 | high |
| 143275 | RHEL 8 : firefox (RHSA-2020:5234) | Nessus | Red Hat Local Security Checks | 11/30/2020 | 11/7/2024 | high |
| 143276 | RHEL 8 : thunderbird (RHSA-2020:5236) | Nessus | Red Hat Local Security Checks | 11/30/2020 | 11/7/2024 | high |
| 143277 | RHEL 8 : thunderbird (RHSA-2020:5240) | Nessus | Red Hat Local Security Checks | 11/30/2020 | 11/7/2024 | high |
| 143279 | RHEL 8 : thunderbird (RHSA-2020:5231) | Nessus | Red Hat Local Security Checks | 11/30/2020 | 11/7/2024 | high |
| 143352 | openSUSE Security Update : MozillaFirefox (openSUSE-2020-2020) | Nessus | SuSE Local Security Checks | 11/30/2020 | 2/6/2025 | critical |
| 143540 | openSUSE Security Update : MozillaThunderbird (openSUSE-2020-2187) | Nessus | SuSE Local Security Checks | 12/8/2020 | 2/6/2025 | critical |
| 143723 | SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2020:3458-1) | Nessus | SuSE Local Security Checks | 12/9/2020 | 2/6/2025 | critical |
| 208508 | CentOS 6 : thunderbird (RHSA-2020:5238) | Nessus | CentOS Local Security Checks | 10/9/2024 | 10/9/2024 | high |
