| 154156 | CentOS 8：firefox (CESA-2021: 3755) | Nessus | CentOS Local Security Checks | 10/14/2021 | 5/9/2022 | critical |
| 154176 | Oracle Linux 8：thunderbird (ELSA-2021-3838) | Nessus | Oracle Linux Local Security Checks | 10/15/2021 | 10/22/2024 | critical |
| 154201 | Scientific Linux 安全性更新：SL7.x x86_64 上的 thunderbird (2021:3841) | Nessus | Scientific Linux Local Security Checks | 10/18/2021 | 5/9/2022 | 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.1 (AXSA:2021-2461:28) | Nessus | Miracle Linux Local Security Checks | 1/20/2026 | 1/20/2026 | critical |
| 153878 | Mozilla Firefox ESR < 91.2 | Nessus | Windows | 10/5/2021 | 11/18/2025 | critical |
| 153925 | Ubuntu 18.04 LTS / 20.04 LTS：Firefox 弱點 (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 |
| 154135 | RHEL 8：thunderbird (RHSA-2021: 3838) | Nessus | Red Hat Local Security Checks | 10/14/2021 | 11/7/2024 | 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 |
| 250142 | Linux Distros 未修補的弱點：CVE-2021-38498 | Nessus | Misc. | 8/15/2025 | 7/24/2026 | high |
| 294640 | MiracleLinux 8thunderbird-91.2.0-1.el8.ML.1 (AXSA:2021-2482:19) | Nessus | Miracle Linux Local Security Checks | 1/20/2026 | 1/20/2026 | critical |
| 157839 | Rocky Linux 8thunderbird (RLSA-2021:3838) | Nessus | Rocky Linux Local Security Checks | 2/9/2022 | 11/6/2023 | critical |
| 154059 | Mozilla Thunderbird < 91.2 | Nessus | Windows | 10/13/2021 | 11/18/2025 | critical |
| 154136 | RHEL 8：thunderbird (RHSA-2021:3839) | Nessus | Red Hat Local Security Checks | 10/14/2021 | 11/7/2024 | critical |
| 154059 | Mozilla Thunderbird < 91.2 | Nessus | Windows | 10/13/2021 | 11/18/2025 | critical |
| 154136 | RHEL 8：thunderbird (RHSA-2021:3839) | Nessus | Red Hat Local Security Checks | 10/14/2021 | 11/7/2024 | critical |
| 157839 | Rocky Linux 8thunderbird (RLSA-2021:3838) | Nessus | Rocky Linux Local Security Checks | 2/9/2022 | 11/6/2023 | critical |
| 157783 | Rocky Linux 8firefox (RLSA-2021:3755) | Nessus | Rocky Linux Local Security Checks | 2/9/2022 | 11/6/2023 | 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 |
| 154134 | RHEL 7：thunderbird (RHSA-2021: 3841) | Nessus | Red Hat Local Security Checks | 10/14/2021 | 11/7/2024 | critical |
| 154202 | Scientific Linux 安全性更新：SL7.x i686/x86_64 上的 firefox (2021:3791) | Nessus | Scientific Linux Local Security Checks | 10/18/2021 | 5/9/2022 | critical |
| 156561 | Ubuntu 21.10：thunderbird 弱點 (USN-5132-1) | Nessus | Ubuntu Local Security Checks | 1/7/2022 | 8/28/2024 | critical |
| 291431 | MiracleLinux 7firefox-91.2.0-5.0.1.el7.AXS7 (AXBA:2021-2506:30) | Nessus | Miracle Linux Local Security Checks | 1/19/2026 | 1/19/2026 | 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 |
| 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 |
| 250142 | Linux Distros のパッチ未適用の脆弱性: CVE-2021-38498 | Nessus | Misc. | 8/15/2025 | 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 |
| 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 |
| 157783 | Rocky Linux 8firefoxRLSA-2021:3755 | Nessus | Rocky Linux Local Security Checks | 2/9/2022 | 11/6/2023 | 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 |
| 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 |
| 156561 | Ubuntu 21.10LTS：Thunderbirdの脆弱性 (USN-5132-1) | Nessus | Ubuntu Local Security Checks | 1/7/2022 | 8/28/2024 | 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 |
| 153881 | Mozilla Firefox < 93.0 | Nessus | Windows | 10/5/2021 | 12/18/2025 | critical |
| 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 |
