| 157516 | AlmaLinux 8firefoxALSA-2021:4123 | Nessus | Alma Linux Local Security Checks | 2022/2/9 | 2022/3/17 | critical |
| 157736 | Rocky Linux 8firefoxRLSA-2021:4123 | Nessus | Rocky Linux Local Security Checks | 2022/2/9 | 2023/11/6 | critical |
| 294272 | MiracleLinux 7firefox-91.3.0-1.0.1.el7.AXS7AXSA:2021-2530:32 | Nessus | Miracle Linux Local Security Checks | 2026/1/20 | 2026/1/20 | critical |
| 154817 | Mozilla Firefox ESR < 91.3 | Nessus | Windows | 2021/11/2 | 2025/11/18 | critical |
| 154820 | Mozilla Firefox < 94.0 | Nessus | MacOS X Local Security Checks | 2021/11/2 | 2025/11/18 | critical |
| 154944 | RHEL 8 : thunderbird（RHSA-2021：4130) | Nessus | Red Hat Local Security Checks | 2021/11/6 | 2024/11/7 | critical |
| 154947 | RHEL 8 : thunderbird（RHSA-2021：4132) | Nessus | Red Hat Local Security Checks | 2021/11/6 | 2024/11/7 | critical |
| 157643 | AlmaLinux 8thunderbirdALSA-2021:4130 | Nessus | Alma Linux Local Security Checks | 2022/2/9 | 2022/3/17 | critical |
| 247394 | Linux Distros のパッチ未適用の脆弱性: CVE-2021-38504 | Nessus | Misc. | 2025/8/10 | 2025/8/10 | high |
| 154816 | Mozilla Firefox ESR < 91.3 | Nessus | MacOS X Local Security Checks | 2021/11/2 | 2025/11/18 | critical |
| 154819 | Mozilla Firefox < 94.0 | Nessus | Windows | 2021/11/2 | 2025/11/18 | critical |
| 154886 | Oracle Linux 7: Firefox (ELSA-2021-4116 ) | Nessus | Oracle Linux Local Security Checks | 2021/11/4 | 2024/10/22 | critical |
| 154979 | CentOS 8 : thunderbird（CESA-2021：4130) | Nessus | CentOS Local Security Checks | 2021/11/9 | 2022/3/17 | critical |
| 155157 | SUSE SLES15セキュリティ更新プログラム: MozillaFirefox (SUSE-SU-2021:3651-1) | Nessus | SuSE Local Security Checks | 2021/11/11 | 2023/7/13 | critical |
| 155637 | Ubuntu 21.10LTS：Thunderbirdの脆弱性 (USN-5152-1) | Nessus | Ubuntu Local Security Checks | 2021/11/19 | 2024/8/28 | critical |
| 155644 | SUSE SLED15 / SLES15 セキュリティ更新プログラム: MozillaFirefox (SUSE-SU-2021:3745-1) | Nessus | SuSE Local Security Checks | 2021/11/20 | 2023/7/13 | 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 |
| 294633 | MiracleLinux 8thunderbird-91.3.0-2.el8.ML.1AXSA:2021-2532:20 | Nessus | Miracle Linux Local Security Checks | 2026/1/20 | 2026/1/20 | critical |
| 154969 | CentOS 8 : firefox (CESA-2021:4123) | Nessus | CentOS Local Security Checks | 2021/11/9 | 2022/3/17 | critical |
| 155075 | RHEL 8 : firefox (RHSA-2021:4607) | Nessus | Red Hat Local Security Checks | 2021/11/11 | 2024/11/7 | critical |
| 155538 | CentOS 7 : thunderbird (RHSA-2021:4134) | Nessus | CentOS Local Security Checks | 2021/11/17 | 2024/10/9 | critical |
| 156451 | Debian DSA-5034-1 : thunderbird - security update | Nessus | Debian Local Security Checks | 2022/1/3 | 2025/1/24 | critical |
| 157516 | AlmaLinux 8 : firefox (ALSA-2021:4123) | Nessus | Alma Linux Local Security Checks | 2022/2/9 | 2022/3/17 | critical |
| 157736 | Rocky Linux 8 : firefox (RLSA-2021:4123) | Nessus | Rocky Linux Local Security Checks | 2022/2/9 | 2023/11/6 | 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 |
| 294272 | MiracleLinux 7 : firefox-91.3.0-1.0.1.el7.AXS7 (AXSA:2021-2530:32) | Nessus | Miracle Linux Local Security Checks | 2026/1/20 | 2026/1/20 | critical |
| 154876 | Mozilla Thunderbird < 91.3 | Nessus | MacOS X Local Security Checks | 2021/11/3 | 2025/11/18 | critical |
| 154891 | RHEL 7 : firefox (RHSA-2021:4116) | Nessus | Red Hat Local Security Checks | 2021/11/4 | 2024/11/7 | critical |
| 154909 | RHEL 8 : firefox (RHSA-2021:4123) | Nessus | Red Hat Local Security Checks | 2021/11/5 | 2024/11/7 | critical |
| 154943 | RHEL 7 : thunderbird (RHSA-2021:4134) | Nessus | Red Hat Local Security Checks | 2021/11/6 | 2024/11/7 | critical |
| 156191 | Debian DSA-5026-1 : firefox-esr - security update | Nessus | Debian Local Security Checks | 2021/12/19 | 2025/1/24 | critical |
| 156457 | Debian DLA-2874-1 : thunderbird - LTS security update | Nessus | Debian Local Security Checks | 2022/1/4 | 2022/5/6 | critical |
| 294180 | MiracleLinux 8 : firefox-91.3.0-1.el8.ML.1 (AXSA:2021-2529:31) | Nessus | Miracle Linux Local Security Checks | 2026/1/20 | 2026/1/20 | critical |
| 154816 | Mozilla Firefox ESR < 91.3 | Nessus | MacOS X Local Security Checks | 2021/11/2 | 2025/11/18 | critical |
| 154819 | Mozilla Firefox < 94.0 | Nessus | Windows | 2021/11/2 | 2025/11/18 | critical |
| 154886 | Oracle Linux 7 : firefox (ELSA-2021-4116) | Nessus | Oracle Linux Local Security Checks | 2021/11/4 | 2024/10/22 | critical |
| 154979 | CentOS 8 : thunderbird (CESA-2021:4130) | Nessus | CentOS Local Security Checks | 2021/11/9 | 2022/3/17 | critical |
| 155157 | SUSE SLES15 Security Update : MozillaFirefox (SUSE-SU-2021:3651-1) | Nessus | SuSE Local Security Checks | 2021/11/11 | 2023/7/13 | critical |
| 155637 | Ubuntu 21.10 : Thunderbird vulnerabilities (USN-5152-1) | Nessus | Ubuntu Local Security Checks | 2021/11/19 | 2024/8/28 | critical |
| 155644 | SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2021:3745-1) | Nessus | SuSE Local Security Checks | 2021/11/20 | 2023/7/13 | 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 |
| 159007 | GLSA-202202-03 : Mozilla Firefox: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | 2022/3/17 | 2025/3/6 | critical |
| 294633 | MiracleLinux 8 : thunderbird-91.3.0-2.el8.ML.1 (AXSA:2021-2532:20) | Nessus | Miracle Linux Local Security Checks | 2026/1/20 | 2026/1/20 | critical |
| 154817 | Mozilla Firefox ESR < 91.3 | Nessus | Windows | 2021/11/2 | 2025/11/18 | critical |
| 154820 | Mozilla Firefox < 94.0 | Nessus | MacOS X Local Security Checks | 2021/11/2 | 2025/11/18 | critical |
| 154944 | RHEL 8 : thunderbird (RHSA-2021:4130) | Nessus | Red Hat Local Security Checks | 2021/11/6 | 2024/11/7 | critical |
| 154947 | RHEL 8 : thunderbird (RHSA-2021:4132) | Nessus | Red Hat Local Security Checks | 2021/11/6 | 2024/11/7 | critical |
| 157643 | AlmaLinux 8 : thunderbird (ALSA-2021:4130) | Nessus | Alma Linux Local Security Checks | 2022/2/9 | 2022/3/17 | critical |
