| 152953 | Ubuntu 18.04 LTS / 20.04 LTS : Thunderbird vulnerabilities (USN-5058-1) | Nessus | Ubuntu Local Security Checks | 9/1/2021 | 8/27/2024 | high |
| 154214 | openSUSE 15 Security Update : MozillaFirefox (openSUSE-SU-2021:1367-1) | Nessus | SuSE Local Security Checks | 10/19/2021 | 3/6/2025 | critical |
| 294398 | MiracleLinux 4 : firefox-78.13.0-2.0.1.AXS4 (AXSA:2021-2377:24) | Nessus | Miracle Linux Local Security Checks | 1/20/2026 | 1/20/2026 | high |
| 357937 | Rocky Linux 8 [CIQ] Security Update: thunderbird / thunderbird-debuginfo / thunderbird-debugsource Multiple Vulnerabilities (crlsa-2021_3155) | Nessus | Rocky Linux Local Security Checks | 10/1/2026 | 10/1/2026 | high |
| 152414 | Mozilla Firefox ESR < 78.13 | Nessus | Windows | 8/10/2021 | 11/18/2025 | high |
| 152503 | Mozilla Thunderbird < 91.0 | Nessus | Windows | 8/11/2021 | 11/18/2025 | high |
| 152516 | Debian DSA-4956-1 : firefox-esr - security update | Nessus | Debian Local Security Checks | 8/12/2021 | 12/4/2023 | high |
| 152576 | CentOS 8 : thunderbird (CESA-2021:3155) | Nessus | CentOS Local Security Checks | 8/16/2021 | 12/4/2023 | high |
| 152589 | RHEL 8 : firefox (RHSA-2021:3159) | Nessus | Red Hat Local Security Checks | 9/22/2021 | 11/7/2024 | high |
| 152599 | RHEL 8 : thunderbird (RHSA-2021:3162) | Nessus | Red Hat Local Security Checks | 8/16/2021 | 11/7/2024 | high |
| 152616 | Oracle Linux 7 : firefox (ELSA-2021-3154) | Nessus | Oracle Linux Local Security Checks | 8/17/2021 | 10/22/2024 | high |
| 152617 | Oracle Linux 7 : thunderbird (ELSA-2021-3160) | Nessus | Oracle Linux Local Security Checks | 8/17/2021 | 10/23/2024 | high |
| 152626 | Oracle Linux 8 : thunderbird (ELSA-2021-3155) | Nessus | Oracle Linux Local Security Checks | 8/17/2021 | 10/22/2024 | high |
| 152663 | CentOS 7 : firefox (RHSA-2021:3154) | Nessus | CentOS Local Security Checks | 8/19/2021 | 10/9/2024 | high |
| 152920 | SUSE SLED15: MozillaThunderbird / MozillaThunderbird-translations-common / etc (SUSE-SU-2021:2874-1) | Nessus | SuSE Local Security Checks | 8/31/2021 | 6/25/2026 | high |
| 153417 | Amazon Linux 2 : thunderbird (ALAS-2021-1709) | Nessus | Amazon Linux Local Security Checks | 9/16/2021 | 12/11/2024 | high |
| 154212 | SUSE SLES11: MozillaFirefox / MozillaFirefox-branding-SLED / etc (SUSE-SU-2021:14826-1) | Nessus | SuSE Local Security Checks | 10/19/2021 | 6/25/2026 | critical |
| 157756 | Rocky Linux 8 : thunderbird (RLSA-2021:3155) | Nessus | Rocky Linux Local Security Checks | 2/9/2022 | 11/10/2023 | high |
| 160882 | SUSE SLES12: MozillaFirefox / MozillaFirefox-devel / etc (SUSE-SU-2022:1582-1) | Nessus | SuSE Local Security Checks | 5/10/2022 | 6/26/2026 | high |
| 159007 | GLSA-202202-03 : Mozilla Firefox: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | 3/17/2022 | 3/6/2025 | critical |
| 293907 | MiracleLinux 7 : firefox-78.13.0-2.0.1.el7.AXS7 (AXSA:2021-2372:23) | Nessus | Miracle Linux Local Security Checks | 1/20/2026 | 1/20/2026 | high |
| 293938 | MiracleLinux 8 : firefox-78.13.0-2.el8.ML.1 (AXSA:2021-2371:22) | Nessus | Miracle Linux Local Security Checks | 1/20/2026 | 1/20/2026 | high |
