| 136658 | SUSE SLED15 / SLES15 Security Update : MozillaThunderbird (SUSE-SU-2020:1225-1) | Nessus | SuSE Local Security Checks | 5/15/2020 | 3/12/2024 | critical |
| 136776 | CentOS 7 : thunderbird (RHSA-2020:2050) | Nessus | CentOS Local Security Checks | 5/22/2020 | 10/9/2024 | critical |
| 136894 | Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Thunderbird vulnerabilities (USN-4373-1) | Nessus | Ubuntu Local Security Checks | 5/27/2020 | 8/27/2024 | critical |
| 150555 | SUSE SLES11 Security Update : MozillaFirefox (SUSE-SU-2020:14359-1) | Nessus | SuSE Local Security Checks | 6/10/2021 | 12/26/2023 | critical |
| 136344 | RHEL 8 : firefox (RHSA-2020:2033) | Nessus | Red Hat Local Security Checks | 5/6/2020 | 11/7/2024 | critical |
| 136357 | Mozilla Firefox ESR < 68.8 | Nessus | Windows | 5/7/2020 | 11/18/2025 | critical |
| 136404 | Mozilla Firefox < 76.0 | Nessus | Windows | 5/7/2020 | 11/18/2025 | critical |
| 136450 | openSUSE Security Update : MozillaFirefox (openSUSE-2020-621) | Nessus | SuSE Local Security Checks | 5/11/2020 | 3/13/2024 | critical |
| 136773 | CentOS 7 : firefox (RHSA-2020:2037) | Nessus | CentOS Local Security Checks | 5/22/2020 | 10/9/2024 | critical |
| 294339 | MiracleLinux 7 : firefox-68.8.0-1.0.1.el7.AXS7 (AXSA:2020-073:10) | Nessus | Miracle Linux Local Security Checks | 1/20/2026 | 1/20/2026 | critical |
| 143912 | NewStart CGSL CORE 5.04 / MAIN 5.04 : thunderbird Multiple Vulnerabilities (NS-SA-2020-0074) | Nessus | NewStart CGSL Local Security Checks | 12/9/2020 | 4/25/2023 | critical |
| 143979 | NewStart CGSL CORE 5.05 / MAIN 5.05 : thunderbird Multiple Vulnerabilities (NS-SA-2020-0093) | Nessus | NewStart CGSL Local Security Checks | 12/9/2020 | 4/25/2023 | critical |
| 136541 | GLSA-202005-04 : Mozilla Firefox: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | 5/13/2020 | 3/12/2024 | critical |
| 136486 | Scientific Linux Security Update : thunderbird on SL6.x i386/x86_64 (20200511) | Nessus | Scientific Linux Local Security Checks | 5/12/2020 | 3/12/2024 | critical |
| 136487 | Scientific Linux Security Update : thunderbird on SL7.x x86_64 (20200511) | Nessus | Scientific Linux Local Security Checks | 5/12/2020 | 3/12/2024 | critical |
| 136775 | CentOS 6 : thunderbird (RHSA-2020:2049) | Nessus | CentOS Local Security Checks | 5/22/2020 | 10/9/2024 | critical |
| 145906 | CentOS 8 : thunderbird (CESA-2020:2046) | Nessus | CentOS Local Security Checks | 2/1/2021 | 1/24/2024 | critical |
| 136343 | RHEL 8 : firefox (RHSA-2020:2032) | Nessus | Red Hat Local Security Checks | 5/6/2020 | 11/7/2024 | critical |
| 136420 | Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Firefox vulnerabilities (USN-4353-1) | Nessus | Ubuntu Local Security Checks | 5/8/2020 | 8/27/2024 | critical |
| 136427 | Debian DLA-2205-1 : firefox-esr security update | Nessus | Debian Local Security Checks | 5/11/2020 | 3/13/2024 | critical |
| 138776 | NewStart CGSL MAIN 6.01 : thunderbird Multiple Vulnerabilities (NS-SA-2020-0036) | Nessus | NewStart CGSL Local Security Checks | 7/21/2020 | 4/25/2023 | critical |
