| 154214 | openSUSE 15 セキュリティ更新: MozillaFirefox (openSUSE-SU-2021:1367-1) | Nessus | SuSE Local Security Checks | 2021/10/19 | 2025/3/6 | critical |
| 157839 | Rocky Linux 8thunderbirdRLSA-2021:3838 | Nessus | Rocky Linux Local Security Checks | 2022/2/9 | 2023/11/6 | critical |
| 153880 | Mozilla Firefox < 93.0 | Nessus | MacOS X Local Security Checks | 2021/10/5 | 2025/12/18 | critical |
| 154023 | RHEL 8: firefox（RHSA-2021：3756) | Nessus | Red Hat Local Security Checks | 2021/10/12 | 2024/11/7 | critical |
| 154134 | RHEL 7 : thunderbird（RHSA-2021：3841) | Nessus | Red Hat Local Security Checks | 2021/10/14 | 2024/11/7 | 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 | 2021/10/18 | 2022/5/9 | critical |
| 154212 | SUSE SLES11 セキュリティ更新プログラム: MozillaFirefox、rust-cbindgen (SUSE-SU-2021:14826-1) | Nessus | SuSE Local Security Checks | 2021/10/19 | 2025/3/6 | critical |
| 156271 | openSUSE 15 セキュリティ更新：MozillaThunderbird（openSUSE-SU-2021:4150-1） | Nessus | SuSE Local Security Checks | 2021/12/25 | 2025/3/6 | 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 | 2021/12/25 | 2025/3/6 | critical |
| 156561 | Ubuntu 21.10LTS：Thunderbirdの脆弱性 (USN-5132-1) | Nessus | Ubuntu Local Security Checks | 2022/1/7 | 2024/8/28 | critical |
| 157783 | Rocky Linux 8firefoxRLSA-2021:3755 | Nessus | Rocky Linux Local Security Checks | 2022/2/9 | 2023/11/6 | critical |
| 291431 | MiracleLinux 7firefox-91.2.0-5.0.1.el7.AXS7AXBA:2021-2506:30 | Nessus | Miracle Linux Local Security Checks | 2026/1/19 | 2026/1/19 | 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 |
| 154214 | openSUSE 15 Security Update : MozillaFirefox (openSUSE-SU-2021:1367-1) | Nessus | SuSE Local Security Checks | 2021/10/19 | 2025/3/6 | critical |
| 157839 | Rocky Linux 8 : thunderbird (RLSA-2021:3838) | Nessus | Rocky Linux Local Security Checks | 2022/2/9 | 2023/11/6 | critical |
| 206859 | NewStart CGSL MAIN 6.02 : firefox Multiple Vulnerabilities (NS-SA-2024-0066) | Nessus | NewStart CGSL Local Security Checks | 2024/9/10 | 2025/9/25 | 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 Security Update : MozillaFirefox (SUSE-SU-2021:3446-1) | Nessus | SuSE Local Security Checks | 2021/10/17 | 2023/7/13 | critical |
| 154201 | Scientific Linux Security Update : thunderbird on SL7.x x86_64 (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 8 : firefox-91.2.0-4.el8.ML.1 (AXSA:2021-2461:28) | Nessus | Miracle Linux Local Security Checks | 2026/1/20 | 2026/1/20 | critical |
| 153878 | Mozilla Firefox ESR < 91.2 | Nessus | Windows | 2021/10/5 | 2025/11/18 | critical |
| 153925 | Ubuntu 18.04 LTS / 20.04 LTS : Firefox vulnerabilities (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 Security Update : 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 |
| 174073 | NewStart CGSL CORE 5.05 / MAIN 5.05 : firefox Multiple Vulnerabilities (NS-SA-2023-0009) | Nessus | NewStart CGSL Local Security Checks | 2023/4/11 | 2023/4/18 | critical |
| 245913 | Linux Distros Unpatched Vulnerability : CVE-2021-38501 | Nessus | Misc. | 2025/8/8 | 2025/8/8 | high |
| 294640 | MiracleLinux 8 : thunderbird-91.2.0-1.el8.ML.1 (AXSA:2021-2482:19) | Nessus | Miracle Linux Local Security Checks | 2026/1/20 | 2026/1/20 | critical |
| 153880 | Mozilla Firefox < 93.0 | Nessus | MacOS X Local Security Checks | 2021/10/5 | 2025/12/18 | critical |
| 154023 | RHEL 8 : firefox (RHSA-2021:3756) | Nessus | Red Hat Local Security Checks | 2021/10/12 | 2024/11/7 | critical |
| 154134 | RHEL 7 : thunderbird (RHSA-2021:3841) | Nessus | Red Hat Local Security Checks | 2021/10/14 | 2024/11/7 | critical |
| 154202 | Scientific Linux Security Update : firefox on SL7.x i686/x86_64 (2021:3791) | Nessus | Scientific Linux Local Security Checks | 2021/10/18 | 2022/5/9 | critical |
| 154212 | SUSE SLES11 Security Update : MozillaFirefox, rust-cbindgen (SUSE-SU-2021:14826-1) | Nessus | SuSE Local Security Checks | 2021/10/19 | 2025/3/6 | critical |
| 156271 | openSUSE 15 Security Update : MozillaThunderbird (openSUSE-SU-2021:4150-1) | Nessus | SuSE Local Security Checks | 2021/12/25 | 2025/3/6 | critical |
| 156292 | SUSE SLED15 / SLES15 Security Update : MozillaThunderbird (SUSE-SU-2021:4150-1) | Nessus | SuSE Local Security Checks | 2021/12/25 | 2025/3/6 | critical |
| 156561 | Ubuntu 21.10 : Thunderbird vulnerabilities (USN-5132-1) | Nessus | Ubuntu Local Security Checks | 2022/1/7 | 2024/8/28 | critical |
| 157783 | Rocky Linux 8 : firefox (RLSA-2021:3755) | Nessus | Rocky Linux Local Security Checks | 2022/2/9 | 2023/11/6 | critical |
| 291431 | MiracleLinux 7 : firefox-91.2.0-5.0.1.el7.AXS7 (AXBA:2021-2506:30) | Nessus | Miracle Linux Local Security Checks | 2026/1/19 | 2026/1/19 | critical |
| 153881 | Mozilla Firefox < 93.0 | Nessus | Windows | 2021/10/5 | 2025/12/18 | critical |
| 154003 | SUSE SLES15 Security Update : MozillaFirefox (SUSE-SU-2021:3331-1) | Nessus | SuSE Local Security Checks | 2021/10/12 | 2025/3/6 | critical |
| 154011 | openSUSE 15 Security Update : 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 |
