| 701297 | Google Chrome < 88.0.4324.96 Multiple Vulnerabilities | Nessus Network Monitor | Web Clients | 1/19/2021 | 1/19/2021 | critical |
| 406832 | Alpine: qt5-qtwebengine: security update to 5.15.3_git20200401-r0 | Tenable Cloud Security | Alpine Linux Local Security Checks | 10/31/2023 | 7/2/2026 | critical |
| 426813 | Alpine: thunderbird: security update to 78.6.1-r0 | Tenable Cloud Security | Alpine Linux Local Security Checks | 5/16/2025 | 7/2/2026 | high |
| 406832 | Alpine: qt5-qtwebengine: security update to 5.15.3_git20200401-r0 | Tenable Self-Hosted Container Security | Alpine Linux Local Security Checks | 10/31/2023 | 7/2/2026 | critical |
| 426350 | Alpine: multiple librewolf packages: security update to 84.0.2-r0 | Tenable Cloud Security | Alpine Linux Local Security Checks | 5/16/2025 | 7/2/2026 | high |
| 426350 | Alpine: multiple librewolf packages: security update to 84.0.2-r0 | Tenable Self-Hosted Container Security | Alpine Linux Local Security Checks | 5/16/2025 | 7/2/2026 | high |
| 404377 | Alpine: multiple firefox packages: security update to 84.0.2-r0 | Tenable Cloud Security | Alpine Linux Local Security Checks | 10/31/2023 | 7/2/2026 | high |
| 404449 | Alpine: multiple firefox-esr packages: security update to 78.6.1-r0 | Tenable Cloud Security | Alpine Linux Local Security Checks | 10/31/2023 | 7/2/2026 | high |
| 426813 | Alpine: thunderbird: security update to 78.6.1-r0 | Tenable Self-Hosted Container Security | Alpine Linux Local Security Checks | 5/16/2025 | 7/2/2026 | high |
| 404377 | Alpine: multiple firefox packages: security update to 84.0.2-r0 | Tenable Self-Hosted Container Security | Alpine Linux Local Security Checks | 10/31/2023 | 7/2/2026 | high |
| 404449 | Alpine: multiple firefox-esr packages: security update to 78.6.1-r0 | Tenable Self-Hosted Container Security | Alpine Linux Local Security Checks | 10/31/2023 | 7/2/2026 | high |
| 145327 | GLSA-202101-14 : Mozilla Thunderbird: Remote code execution | Nessus | Gentoo Local Security Checks | 1/25/2021 | 1/26/2024 | high |
| 144839 | Debian DSA-4827-1 : firefox-esr - security update | Nessus | Debian Local Security Checks | 1/11/2021 | 1/30/2024 | high |
| 144836 | Debian DLA-2521-1 : firefox-esr security update | Nessus | Debian Local Security Checks | 1/11/2021 | 1/30/2024 | high |
| 144845 | RHEL 8 : firefox (RHSA-2021:0055) | Nessus | Red Hat Local Security Checks | 1/11/2021 | 11/7/2024 | high |
| 144941 | RHEL 8 : thunderbird (RHSA-2021:0088) | Nessus | Red Hat Local Security Checks | 1/13/2021 | 11/7/2024 | high |
| 145012 | Oracle Linux 8 : thunderbird (ELSA-2021-0089) | Nessus | Oracle Linux Local Security Checks | 1/14/2021 | 10/23/2024 | high |
| 275867 | Google Chrome < 88.0.4324.104 Multiple Vulnerabilities | Nessus | MacOS X Local Security Checks | 11/20/2025 | 11/24/2025 | critical |
| 144937 | RHEL 8 : thunderbird (RHSA-2021:0089) | Nessus | Red Hat Local Security Checks | 1/13/2021 | 11/7/2024 | high |
| 144848 | RHEL 8 : firefox (RHSA-2021:0054) | Nessus | Red Hat Local Security Checks | 1/11/2021 | 11/7/2024 | high |
| 147342 | NewStart CGSL MAIN 6.02 : thunderbird Multiple Vulnerabilities (NS-SA-2021-0091) | Nessus | NewStart CGSL Local Security Checks | 3/10/2021 | 3/11/2021 | high |
| 275849 | Google Chrome < 88.0.4324.104 Multiple Vulnerabilities | Nessus | Windows | 11/20/2025 | 11/24/2025 | critical |
| 145485 | openSUSE Security Update : chromium (openSUSE-2021-166) | Nessus | SuSE Local Security Checks | 1/27/2021 | 1/26/2024 | critical |
| 293881 | MiracleLinux 8 : firefox-78.8.0-1.0.1.el8 (AXSA:2021-1575:07) | Nessus | Miracle Linux Local Security Checks | 1/20/2026 | 2/4/2026 | high |
| 154451 | NewStart CGSL CORE 5.05 / MAIN 5.05 : firefox Multiple Vulnerabilities (NS-SA-2021-0178) | Nessus | NewStart CGSL Local Security Checks | 10/27/2021 | 10/27/2021 | high |
| 154475 | NewStart CGSL MAIN 6.02 : thunderbird Multiple Vulnerabilities (NS-SA-2021-0119) | Nessus | NewStart CGSL Local Security Checks | 10/27/2021 | 11/27/2023 | high |
| 145728 | Debian DSA-4842-1 : thunderbird - security update | Nessus | Debian Local Security Checks | 2/1/2021 | 1/25/2024 | high |
| 245692 | Linux Distros Unpatched Vulnerability : CVE-2020-16044 | Nessus | Misc. | 8/8/2025 | 7/24/2026 | high |
| 147347 | NewStart CGSL CORE 5.04 / MAIN 5.04 : firefox Vulnerability (NS-SA-2021-0033) | Nessus | NewStart CGSL Local Security Checks | 3/10/2021 | 3/11/2021 | high |
| 145449 | Amazon Linux 2 : thunderbird (ALAS-2021-1594) | Nessus | Amazon Linux Local Security Checks | 1/26/2021 | 12/11/2024 | high |
| 145937 | CentOS 8 : thunderbird (CESA-2021:0089) | Nessus | CentOS Local Security Checks | 2/1/2021 | 3/23/2021 | high |
| 147404 | NewStart CGSL CORE 5.04 / MAIN 5.04 : thunderbird Vulnerability (NS-SA-2021-0046) | Nessus | NewStart CGSL Local Security Checks | 3/10/2021 | 3/11/2021 | high |
| 145379 | openSUSE Security Update : MozillaFirefox (openSUSE-2021-56) | Nessus | SuSE Local Security Checks | 1/25/2021 | 1/26/2024 | high |
| 144770 | Mozilla Firefox ESR < 78.6.1 | Nessus | Windows | 1/6/2021 | 11/18/2025 | high |
| 144769 | Mozilla Firefox ESR < 78.6.1 | Nessus | MacOS X Local Security Checks | 1/6/2021 | 11/18/2025 | high |
| 144772 | Mozilla Firefox < 84.0.2 | Nessus | MacOS X Local Security Checks | 1/6/2021 | 11/18/2025 | high |
| 145330 | openSUSE Security Update : MozillaThunderbird (openSUSE-2021-127) | Nessus | SuSE Local Security Checks | 1/25/2021 | 1/26/2024 | high |
| 145068 | RHEL 8 : thunderbird (RHSA-2021:0160) | Nessus | Red Hat Local Security Checks | 1/19/2021 | 11/7/2024 | high |
| 144926 | SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2021:0072-1) | Nessus | SuSE Local Security Checks | 1/13/2021 | 1/30/2024 | high |
| 144843 | Scientific Linux Security Update : firefox on SL7.x i686/x86_64 (2021:0053) | Nessus | Scientific Linux Local Security Checks | 1/11/2021 | 8/12/2021 | high |
| 144936 | RHEL 7 : thunderbird (RHSA-2021:0087) | Nessus | Red Hat Local Security Checks | 1/13/2021 | 11/7/2024 | high |
| 145391 | Fedora 33 : chromium (2021-48866282e5) | Nessus | Fedora Local Security Checks | 1/25/2021 | 1/26/2024 | critical |
| 145448 | Microsoft Edge (Chromium) < 88.0.705.50 Multiple Vulnerabilities | Nessus | Windows | 1/26/2021 | 6/16/2026 | critical |
| 145341 | GLSA-202101-13 : Chromium, Google Chrome: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | 1/25/2021 | 1/26/2024 | critical |
| 145037 | CentOS 7 : firefox (RHSA-2021:0053) | Nessus | CentOS Local Security Checks | 1/16/2021 | 10/9/2024 | high |
| 145729 | openSUSE Security Update : chromium (openSUSE-2021-173) | Nessus | SuSE Local Security Checks | 2/1/2021 | 1/25/2024 | critical |
| 145862 | CentOS 8 : firefox (CESA-2021:0052) | Nessus | CentOS Local Security Checks | 2/1/2021 | 3/23/2021 | high |
| 145275 | openSUSE Security Update : MozillaFirefox (openSUSE-2021-63) | Nessus | SuSE Local Security Checks | 1/25/2021 | 1/26/2024 | high |
| 144855 | Mozilla Thunderbird < 78.6.1 | Nessus | MacOS X Local Security Checks | 1/11/2021 | 11/18/2025 | high |
| 144771 | Mozilla Firefox < 84.0.2 | Nessus | Windows | 1/6/2021 | 11/18/2025 | high |
