| 404450 | Alpine: multiple firefox-esr packages: security update to 78.7.0-r0 | Tenable Cloud Security | Alpine Linux Local Security Checks | 10/31/2023 | 7/2/2026 | high |
| 426760 | Alpine: multiple librewolf packages: security update to 84.0.1-r0 | Tenable Cloud Security | Alpine Linux Local Security Checks | 5/16/2025 | 7/2/2026 | critical |
| 404450 | Alpine: multiple firefox-esr packages: security update to 78.7.0-r0 | Tenable Self-Hosted Container Security | Alpine Linux Local Security Checks | 10/31/2023 | 7/2/2026 | high |
| 426760 | Alpine: multiple librewolf packages: security update to 84.0.1-r0 | Tenable Self-Hosted Container Security | Alpine Linux Local Security Checks | 5/16/2025 | 7/2/2026 | critical |
| 404376 | Alpine: multiple firefox packages: security update to 84.0.1-r0 | Tenable Cloud Security | Alpine Linux Local Security Checks | 10/31/2023 | 7/2/2026 | critical |
| 407345 | Alpine: thunderbird: security update to 78.7.0-r0 | Tenable Cloud Security | Alpine Linux Local Security Checks | 10/31/2023 | 7/2/2026 | high |
| 404376 | Alpine: multiple firefox packages: security update to 84.0.1-r0 | Tenable Self-Hosted Container Security | Alpine Linux Local Security Checks | 10/31/2023 | 7/2/2026 | critical |
| 407345 | Alpine: thunderbird: security update to 78.7.0-r0 | Tenable Self-Hosted Container Security | Alpine Linux Local Security Checks | 10/31/2023 | 7/2/2026 | high |
| 208615 | CentOS 7 : firefox (RHSA-2021:0290) | Nessus | CentOS Local Security Checks | 10/9/2024 | 10/9/2024 | high |
| 145539 | Oracle Linux 8 : firefox (ELSA-2021-0288) | Nessus | Oracle Linux Local Security Checks | 1/28/2021 | 10/23/2024 | high |
| 146051 | SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2021:0259-1) | Nessus | SuSE Local Security Checks | 2/2/2021 | 3/8/2021 | high |
| 146163 | Debian DLA-2539-1 : firefox-esr security update | Nessus | Debian Local Security Checks | 2/4/2021 | 3/8/2021 | high |
| 294665 | MiracleLinux 4 : thunderbird-78.7.0-1.0.1.AXS4 (AXSA:2021-1432:01) | Nessus | Miracle Linux Local Security Checks | 1/20/2026 | 1/20/2026 | high |
| 208628 | CentOS 7 : thunderbird (RHSA-2021:0297) | Nessus | CentOS Local Security Checks | 10/9/2024 | 10/9/2024 | high |
| 145468 | Mozilla Thunderbird < 78.7 | Nessus | Windows | 1/27/2021 | 11/18/2025 | high |
| 145746 | openSUSE Security Update : MozillaThunderbird (openSUSE-2021-209) | Nessus | SuSE Local Security Checks | 2/1/2021 | 1/25/2024 | high |
| 146565 | Oracle Linux 8 : thunderbird (ELSA-2021-0298) | Nessus | Oracle Linux Local Security Checks | 2/17/2021 | 10/22/2024 | high |
| 145503 | RHEL 8 : firefox (RHSA-2021:0285) | Nessus | Red Hat Local Security Checks | 1/27/2021 | 11/7/2024 | high |
| 145446 | Mozilla Firefox ESR < 78.7 | Nessus | Windows | 1/26/2021 | 11/18/2025 | high |
| 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 |
| 154552 | NewStart CGSL CORE 5.04 / MAIN 5.04 : firefox Multiple Vulnerabilities (NS-SA-2021-0094) | Nessus | NewStart CGSL Local Security Checks | 10/27/2021 | 10/27/2021 | high |
| 154553 | NewStart CGSL CORE 5.04 / MAIN 5.04 : thunderbird Multiple Vulnerabilities (NS-SA-2021-0094) | Nessus | NewStart CGSL Local Security Checks | 10/27/2021 | 11/27/2023 | high |
| 145447 | Mozilla Firefox ESR < 78.7 | Nessus | MacOS X Local Security Checks | 1/26/2021 | 11/18/2025 | high |
| 145504 | Scientific Linux Security Update : firefox on SL7.x i686/x86_64 (2021:0290) | Nessus | Scientific Linux Local Security Checks | 1/27/2021 | 1/25/2024 | high |
| 145544 | RHEL 7 : firefox (RHSA-2021:0290) | Nessus | Red Hat Local Security Checks | 1/29/2021 | 11/7/2024 | high |
| 145728 | Debian DSA-4842-1 : thunderbird - security update | Nessus | Debian Local Security Checks | 2/1/2021 | 1/25/2024 | high |
| 146513 | openSUSE Security Update : MozillaFirefox (openSUSE-2021-222) | Nessus | SuSE Local Security Checks | 2/16/2021 | 3/8/2021 | high |
| 145467 | Mozilla Thunderbird < 78.7 | Nessus | MacOS X Local Security Checks | 1/27/2021 | 11/18/2025 | high |
| 145541 | RHEL 8 : thunderbird (RHSA-2021:0299) | Nessus | Red Hat Local Security Checks | 1/29/2021 | 11/7/2024 | high |
| 145543 | RHEL 8 : thunderbird (RHSA-2021:0298) | Nessus | Red Hat Local Security Checks | 1/29/2021 | 11/7/2024 | high |
| 145768 | openSUSE Security Update : MozillaThunderbird (openSUSE-2021-208) | Nessus | SuSE Local Security Checks | 2/1/2021 | 1/25/2024 | high |
| 145791 | CentOS 8 : thunderbird (CESA-2021:0298) | Nessus | CentOS Local Security Checks | 2/1/2021 | 1/25/2024 | high |
| 146095 | RHEL 8 : thunderbird (RHSA-2021:0397) | Nessus | Red Hat Local Security Checks | 2/3/2021 | 11/7/2024 | high |
| 145540 | Oracle Linux 7 : thunderbird (ELSA-2021-0297) | Nessus | Oracle Linux Local Security Checks | 1/28/2021 | 10/22/2024 | high |
| 145545 | RHEL 7 : thunderbird (RHSA-2021:0297) | Nessus | Red Hat Local Security Checks | 1/29/2021 | 11/7/2024 | high |
| 146538 | Ubuntu 20.10 : Thunderbird vulnerabilities (USN-4736-1) | Nessus | Ubuntu Local Security Checks | 2/16/2021 | 8/27/2024 | high |
| 294034 | MiracleLinux 7 : firefox-78.7.0-2.0.1.el7.AXS7 (AXSA:2021-1373:04) | Nessus | Miracle Linux Local Security Checks | 1/20/2026 | 1/20/2026 | high |
| 294424 | MiracleLinux 4 : firefox-78.7.0-2.0.1.AXS4 (AXSA:2021-1360:03) | Nessus | Miracle Linux Local Security Checks | 1/20/2026 | 1/20/2026 | high |
| 144282 | Mozilla Firefox < 84.0 | Nessus | Windows | 12/15/2020 | 11/18/2025 | critical |
| 145739 | SUSE SLES12 Security Update : MozillaFirefox (SUSE-SU-2021:0241-1) | Nessus | SuSE Local Security Checks | 2/1/2021 | 3/8/2021 | high |
| 145765 | SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2021:0246-1) | Nessus | SuSE Local Security Checks | 2/1/2021 | 3/8/2021 | high |
| 145508 | Oracle Linux 7 : firefox (ELSA-2021-0290) | Nessus | Oracle Linux Local Security Checks | 1/27/2021 | 10/22/2024 | high |
| 145507 | RHEL 8 : firefox (RHSA-2021:0288) | Nessus | Red Hat Local Security Checks | 1/27/2021 | 11/7/2024 | high |
| 145527 | Debian DSA-4840-1 : firefox-esr - security update | Nessus | Debian Local Security Checks | 1/28/2021 | 6/3/2021 | high |
| 150562 | SUSE SLES11 Security Update : MozillaFirefox (SUSE-SU-2021:14609-1) | Nessus | SuSE Local Security Checks | 6/10/2021 | 6/10/2021 | high |
| 154471 | NewStart CGSL CORE 5.05 / MAIN 5.05 : thunderbird Multiple Vulnerabilities (NS-SA-2021-0177) | Nessus | NewStart CGSL Local Security Checks | 10/27/2021 | 11/27/2023 | high |
| 249056 | Linux Distros Unpatched Vulnerability : CVE-2020-26976 | Nessus | Misc. | 8/12/2025 | 7/24/2026 | medium |
| 144283 | Mozilla Firefox < 84.0 | Nessus | MacOS X Local Security Checks | 12/15/2020 | 11/18/2025 | critical |
