| 154136 | RHEL 8：thunderbird (RHSA-2021:3839) | Nessus | Red Hat Local Security Checks | 2021/10/14 | 2024/11/7 | critical |
| 157839 | Rocky Linux 8thunderbird (RLSA-2021:3838) | Nessus | Rocky Linux Local Security Checks | 2022/2/9 | 2023/11/6 | critical |
| 153879 | Mozilla Firefox ESR < 91.2 | Nessus | MacOS X Local Security Checks | 2021/10/5 | 2025/11/18 | critical |
| 153997 | Oracle Linux 8：firefox (ELSA-2021-3755) | Nessus | Oracle Linux Local Security Checks | 2021/10/11 | 2024/10/22 | critical |
| 154156 | CentOS 8：firefox (CESA-2021: 3755) | Nessus | CentOS Local Security Checks | 2021/10/14 | 2022/5/9 | critical |
| 154176 | Oracle Linux 8：thunderbird (ELSA-2021-3838) | Nessus | Oracle Linux Local Security Checks | 2021/10/15 | 2024/10/22 | critical |
| 154201 | Scientific Linux 安全更新：SL7.x x86_64 上的 thunderbird (2021:3841) | Nessus | Scientific Linux Local Security Checks | 2021/10/18 | 2022/5/9 | critical |
| 163228 | Amazon Linux 2：thunderbird (ALAS-2022-1818) | Nessus | Amazon Linux Local Security Checks | 2022/7/15 | 2024/12/11 | critical |
| 294652 | MagicLinux 8firefox-91.2.0-4.el8.ML.1 (AXSA:2021-2461:28) | Nessus | Miracle Linux Local Security Checks | 2026/1/20 | 2026/1/20 | critical |
| 153881 | Mozilla Firefox < 93.0 | Nessus | Windows | 2021/10/5 | 2025/12/18 | critical |
| 154022 | RHEL 8：firefox (RHSA-2021: 3755) | Nessus | Red Hat Local Security Checks | 2021/10/12 | 2024/11/7 | critical |
| 154024 | RHEL 8：firefox (RHSA-2021: 3757) | Nessus | Red Hat Local Security Checks | 2021/10/12 | 2024/11/7 | critical |
| 154077 | RHEL 7：firefox (RHSA-2021:3791) | Nessus | Red Hat Local Security Checks | 2021/10/13 | 2024/11/7 | critical |
| 154143 | RHEL 8：thunderbird (RHSA-2021: 3840) | Nessus | Red Hat Local Security Checks | 2021/10/14 | 2024/11/7 | critical |
| 154158 | CentOS 8：thunderbird (CESA-2021: 3838) | Nessus | CentOS Local Security Checks | 2021/10/15 | 2022/5/9 | critical |
| 154353 | Oracle Linux 7：thunderbird (ELSA-2021-3841) | Nessus | Oracle Linux Local Security Checks | 2021/10/23 | 2024/10/22 | critical |
| 155552 | CentOS 7 : thunderbird (RHSA-2021:3841) | Nessus | CentOS Local Security Checks | 2021/11/17 | 2024/10/9 | critical |
| 156961 | Ubuntu 18.04 LTS / 20.04 LTS：thunderbird 弱點 (USN-5248-1) | Nessus | Ubuntu Local Security Checks | 2022/1/22 | 2025/3/6 | critical |
| 153878 | Mozilla Firefox ESR < 91.2 | Nessus | Windows | 2021/10/5 | 2025/11/18 | critical |
| 153925 | Ubuntu 18.04LTS / 20.04LTS : Firefox の脆弱性 (USN-5107-1) | Nessus | Ubuntu Local Security Checks | 2021/10/7 | 2024/8/27 | critical |
| 154058 | Mozilla Thunderbird < 91.2 | Nessus | MacOS X Local Security Checks | 2021/10/13 | 2025/11/18 | critical |
| 154135 | RHEL 8 : thunderbird（RHSA-2021：3838) | Nessus | Red Hat Local Security Checks | 2021/10/14 | 2024/11/7 | critical |
| 154193 | openSUSE 15 セキュリティ更新: MozillaFirefox (openSUSE-SU-2021:3451-1) | Nessus | SuSE Local Security Checks | 2021/10/17 | 2025/3/6 | critical |
| 154341 | Oracle Linux 7：Firefox（ELSA-2021-3791） | Nessus | Oracle Linux Local Security Checks | 2021/10/22 | 2024/10/22 | critical |
| 155551 | CentOS 7 : firefox (RHSA-2021:3791) | Nessus | CentOS Local Security Checks | 2021/11/17 | 2024/10/9 | critical |
| 245913 | Linux Distros のパッチ未適用の脆弱性: CVE-2021-38501 | Nessus | Misc. | 2025/8/8 | 2025/8/8 | high |
| 294640 | MiracleLinux 8thunderbird-91.2.0-1.el8.ML.1AXSA:2021-2482:19 | Nessus | Miracle Linux Local Security Checks | 2026/1/20 | 2026/1/20 | critical |
| 153879 | Mozilla Firefox ESR < 91.2 | Nessus | MacOS X Local Security Checks | 2021/10/5 | 2025/11/18 | critical |
| 153997 | Oracle Linux 8：Firefox（ELSA-2021-3755） | Nessus | Oracle Linux Local Security Checks | 2021/10/11 | 2024/10/22 | critical |
| 154156 | CentOS 8：firefox（CESA-2021：3755） | Nessus | CentOS Local Security Checks | 2021/10/14 | 2022/5/9 | critical |
| 154176 | Oracle Linux 8：thunderbird（ELSA-2021-3838） | Nessus | Oracle Linux Local Security Checks | 2021/10/15 | 2024/10/22 | critical |
| 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 | 2021/10/17 | 2023/7/13 | 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 | 2021/10/18 | 2022/5/9 | critical |
| 163228 | Amazon Linux 2：thunderbird (ALAS-2022-1818) | Nessus | Amazon Linux Local Security Checks | 2022/7/15 | 2024/12/11 | critical |
| 294652 | MiracleLinux 8firefox-91.2.0-4.el8.ML.1AXSA:2021-2461:28 | Nessus | Miracle Linux Local Security Checks | 2026/1/20 | 2026/1/20 | critical |
| 153881 | Mozilla Firefox < 93.0 | Nessus | Windows | 2021/10/5 | 2025/12/18 | 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 | 2021/10/12 | 2025/3/6 | critical |
| 154011 | openSUSE 15 セキュリティ更新: MozillaFirefox (openSUSE-SU-2021:3331-1) | Nessus | SuSE Local Security Checks | 2021/10/12 | 2025/3/6 | critical |
| 154022 | RHEL 8 : firefox（RHSA-2021：3755) | Nessus | Red Hat Local Security Checks | 2021/10/12 | 2024/11/7 | critical |
| 154024 | RHEL 8: firefox（RHSA-2021：3757) | Nessus | Red Hat Local Security Checks | 2021/10/12 | 2024/11/7 | critical |
| 154077 | RHEL 7：firefox（RHSA-2021:3791） | Nessus | Red Hat Local Security Checks | 2021/10/13 | 2024/11/7 | critical |
| 154143 | RHEL 8 : thunderbird（RHSA-2021：3840) | Nessus | Red Hat Local Security Checks | 2021/10/14 | 2024/11/7 | critical |
| 154158 | CentOS 8：thunderbird（CESA-2021：3838） | Nessus | CentOS Local Security Checks | 2021/10/15 | 2022/5/9 | 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 | 2021/10/17 | 2025/3/6 | critical |
| 154353 | Oracle Linux 7：thunderbird（ELSA-2021-3841） | Nessus | Oracle Linux Local Security Checks | 2021/10/23 | 2024/10/22 | critical |
| 155552 | CentOS 7 : thunderbird (RHSA-2021:3841) | Nessus | CentOS Local Security Checks | 2021/11/17 | 2024/10/9 | critical |
| 156395 | openSUSE 15 セキュリティ更新: MozillaThunderbird (openSUSE-SU-2021:1635-1) | Nessus | SuSE Local Security Checks | 2021/12/30 | 2025/3/6 | critical |
| 156961 | Ubuntu 18.04LTS/20.04 LTS：Thunderbirdの脆弱性 (USN-5248-1) | Nessus | Ubuntu Local Security Checks | 2022/1/22 | 2025/3/6 | critical |
| 154059 | Mozilla Thunderbird < 91.2 | Nessus | Windows | 2021/10/13 | 2025/11/18 | critical |
| 154136 | RHEL 8 : thunderbird (RHSA-2021:3839) | Nessus | Red Hat Local Security Checks | 2021/10/14 | 2024/11/7 | critical |
