| 154183 | SUSE SLED12 / SLES12 セキュリティ更新プログラム: MozillaFirefox (SUSE-SU-2021:3446-1) | Nessus | SuSE Local Security Checks | 10/17/2021 | 6/25/2026 | critical |
| 154201 | Scientific Linux セキュリティ更新: SL7.x x86_64 の thunderbird (2021:3841) | Nessus | Scientific Linux Local Security Checks | 10/18/2021 | 5/9/2022 | critical |
| 153879 | Mozilla Firefox ESR < 91.2 | Nessus | MacOS X Local Security Checks | 10/5/2021 | 11/18/2025 | critical |
| 153996 | Debian DLA-2782-1: firefox-esr - LTS セキュリティ更新 | Nessus | Debian Local Security Checks | 10/11/2021 | 1/24/2025 | high |
| 153997 | Oracle Linux 8：Firefox（ELSA-2021-3755） | Nessus | Oracle Linux Local Security Checks | 10/11/2021 | 10/22/2024 | critical |
| 163228 | Amazon Linux 2：thunderbird (ALAS-2022-1818) | Nessus | Amazon Linux Local Security Checks | 7/15/2022 | 12/11/2024 | critical |
| 294652 | MiracleLinux 8firefox-91.2.0-4.el8.ML.1AXSA:2021-2461:28 | Nessus | Miracle Linux Local Security Checks | 1/20/2026 | 1/20/2026 | critical |
| 156457 | Debian DLA-2874-1: thunderbird - LTS セキュリティ更新 | Nessus | Debian Local Security Checks | 1/4/2022 | 5/6/2022 | critical |
| 153878 | Mozilla Firefox ESR < 91.2 | Nessus | Windows | 10/5/2021 | 11/18/2025 | critical |
| 153925 | Ubuntu 18.04LTS / 20.04LTS : Firefox の脆弱性 (USN-5107-1) | Nessus | Ubuntu Local Security Checks | 10/7/2021 | 8/27/2024 | critical |
| 154058 | Mozilla Thunderbird < 91.2 | Nessus | MacOS X Local Security Checks | 10/13/2021 | 11/18/2025 | critical |
| 154060 | Mozilla Thunderbird < 78.15 | Nessus | Windows | 10/13/2021 | 11/18/2025 | high |
| 154135 | RHEL 8 : thunderbird（RHSA-2021：3838) | Nessus | Red Hat Local Security Checks | 10/14/2021 | 11/7/2024 | critical |
| 154193 | openSUSE 15 セキュリティ更新: MozillaFirefox (openSUSE-SU-2021:3451-1) | Nessus | SuSE Local Security Checks | 10/17/2021 | 3/6/2025 | critical |
| 154341 | Oracle Linux 7：Firefox（ELSA-2021-3791） | Nessus | Oracle Linux Local Security Checks | 10/22/2021 | 10/22/2024 | critical |
| 155551 | CentOS 7 : firefox (RHSA-2021:3791) | Nessus | CentOS Local Security Checks | 11/17/2021 | 10/9/2024 | critical |
| 245830 | Linux Distros のパッチ未適用の脆弱性: CVE-2021-38496 | Nessus | Misc. | 8/8/2025 | 7/24/2026 | high |
| 294640 | MiracleLinux 8thunderbird-91.2.0-1.el8.ML.1AXSA:2021-2482:19 | Nessus | Miracle Linux Local Security Checks | 1/20/2026 | 1/20/2026 | critical |
| 359019 | Rocky Linux 8 [CIQ] セキュリティ更新プログラム:thunderbird/thunderbird-debuginfo/thunderbird-debugsourceの複数の脆弱性(crlsa-2021_3838) | Nessus | Rocky Linux Local Security Checks | 10/1/2026 | 10/1/2026 | critical |
| 156451 | Debian DSA-5034-1 : thunderbird - セキュリティ更新 | Nessus | Debian Local Security Checks | 1/3/2022 | 1/24/2025 | critical |
| 153877 | Mozilla Firefox ESR < 78.15 | Nessus | Windows | 10/5/2021 | 11/18/2025 | high |
| 154059 | Mozilla Thunderbird < 91.2 | Nessus | Windows | 10/13/2021 | 11/18/2025 | critical |
| 157839 | Rocky Linux 8thunderbirdRLSA-2021:3838 | Nessus | Rocky Linux Local Security Checks | 2/9/2022 | 11/6/2023 | critical |
| 154136 | RHEL 8 : thunderbird (RHSA-2021:3839) | Nessus | Red Hat Local Security Checks | 10/14/2021 | 11/7/2024 | critical |
| 154214 | openSUSE 15 セキュリティ更新: MozillaFirefox (openSUSE-SU-2021:1367-1) | Nessus | SuSE Local Security Checks | 10/19/2021 | 3/6/2025 | critical |
| 154143 | RHEL 8 : thunderbird（RHSA-2021：3840) | Nessus | Red Hat Local Security Checks | 10/14/2021 | 11/7/2024 | critical |
| 154158 | CentOS 8：thunderbird（CESA-2021：3838） | Nessus | CentOS Local Security Checks | 10/15/2021 | 5/9/2022 | critical |
| 154182 | SUSE SLED15 / SLES15 セキュリティ更新プログラム: MozillaFirefox (SUSE-SU-2021:3451-1) | Nessus | SuSE Local Security Checks | 10/17/2021 | 6/25/2026 | critical |
| 154353 | Oracle Linux 7：thunderbird（ELSA-2021-3841） | Nessus | Oracle Linux Local Security Checks | 10/23/2021 | 10/22/2024 | critical |
| 153876 | Mozilla Firefox ESR < 78.15 | Nessus | MacOS X Local Security Checks | 10/5/2021 | 11/18/2025 | high |
| 153881 | Mozilla Firefox < 93.0 | Nessus | Windows | 10/5/2021 | 12/18/2025 | critical |
| 153941 | Debian DSA-4981-1: firefox-esr - セキュリティ更新 | Nessus | Debian Local Security Checks | 10/7/2021 | 1/26/2022 | high |
| 154003 | SUSE SLES15セキュリティ更新プログラム: MozillaFirefox (SUSE-SU-2021:3331-1) | Nessus | SuSE Local Security Checks | 10/12/2021 | 6/25/2026 | critical |
| 154011 | openSUSE 15 セキュリティ更新: MozillaFirefox (openSUSE-SU-2021:3331-1) | Nessus | SuSE Local Security Checks | 10/12/2021 | 3/6/2025 | critical |
| 154022 | RHEL 8 : firefox（RHSA-2021：3755) | Nessus | Red Hat Local Security Checks | 10/12/2021 | 11/7/2024 | critical |
| 154024 | RHEL 8: firefox（RHSA-2021：3757) | Nessus | Red Hat Local Security Checks | 10/12/2021 | 11/7/2024 | critical |
| 154061 | Mozilla Thunderbird < 78.15 | Nessus | MacOS X Local Security Checks | 10/13/2021 | 11/18/2025 | high |
| 154077 | RHEL 7：firefox（RHSA-2021:3791） | Nessus | Red Hat Local Security Checks | 10/13/2021 | 11/7/2024 | critical |
| 155552 | CentOS 7 : thunderbird (RHSA-2021:3841) | Nessus | CentOS Local Security Checks | 11/17/2021 | 10/9/2024 | critical |
| 156395 | openSUSE 15 セキュリティ更新: MozillaThunderbird (openSUSE-SU-2021:1635-1) | Nessus | SuSE Local Security Checks | 12/30/2021 | 3/6/2025 | critical |
| 156961 | Ubuntu 18.04LTS/20.04 LTS：Thunderbirdの脆弱性 (USN-5248-1) | Nessus | Ubuntu Local Security Checks | 1/22/2022 | 3/6/2025 | critical |
| 157783 | Rocky Linux 8firefoxRLSA-2021:3755 | Nessus | Rocky Linux Local Security Checks | 2/9/2022 | 11/6/2023 | critical |
| 154134 | RHEL 7 : thunderbird（RHSA-2021：3841) | Nessus | Red Hat Local Security Checks | 10/14/2021 | 11/7/2024 | critical |
| 154202 | Scientific Linux セキュリティ更新: SL7.x i686/x86_64のfirefox (2021:3791) | Nessus | Scientific Linux Local Security Checks | 10/18/2021 | 5/9/2022 | critical |
| 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 |
| 153880 | Mozilla Firefox < 93.0 | Nessus | MacOS X Local Security Checks | 10/5/2021 | 12/18/2025 | critical |
| 154023 | RHEL 8: firefox（RHSA-2021：3756) | Nessus | Red Hat Local Security Checks | 10/12/2021 | 11/7/2024 | critical |
| 291431 | MiracleLinux 7firefox-91.2.0-5.0.1.el7.AXS7AXBA:2021-2506:30 | Nessus | Miracle Linux Local Security Checks | 1/19/2026 | 1/19/2026 | critical |
| 156271 | openSUSE 15 セキュリティ更新：MozillaThunderbird（openSUSE-SU-2021:4150-1） | Nessus | SuSE Local Security Checks | 12/25/2021 | 3/6/2025 | critical |
| 156292 | SUSE SLED15/ SLES15セキュリティ更新プログラム: MozillaThunderbird (SUSE-SU-2021:4150-1) | Nessus | SuSE Local Security Checks | 12/25/2021 | 6/26/2026 | critical |
