| 145540 | Oracle Linux 7:thunderbird(ELSA-2021-0297) | Nessus | Oracle Linux Local Security Checks | 2021/1/28 | 2024/10/22 | high |
| 145545 | RHEL 7 : thunderbird(RHSA-2021:0297) | Nessus | Red Hat Local Security Checks | 2021/1/29 | 2024/11/7 | high |
| 146538 | Ubuntu 20.10 LTS:Thunderbirdの脆弱性(USN-4736-1) | Nessus | Ubuntu Local Security Checks | 2021/2/16 | 2024/8/27 | high |
| 294034 | MiracleLinux 7firefox-78.7.0-2.0.1.el7.AXS7AXSA:2021-1373:04 | Nessus | Miracle Linux Local Security Checks | 2026/1/20 | 2026/1/20 | high |
| 294424 | MiracleLinux 4firefox-78.7.0-2.0.1.AXS4AXSA:2021-1360:03 | Nessus | Miracle Linux Local Security Checks | 2026/1/20 | 2026/1/20 | high |
| 145468 | Mozilla Thunderbird < 78.7 | Nessus | Windows | 2021/1/27 | 2025/11/18 | high |
| 145539 | Oracle Linux 8:Firefox(ELSA-2021-0288) | Nessus | Oracle Linux Local Security Checks | 2021/1/28 | 2024/10/23 | high |
| 145746 | openSUSEセキュリティ更新プログラム:MozillaThunderbird(openSUSE-2021-209) | Nessus | SuSE Local Security Checks | 2021/2/1 | 2024/1/25 | high |
| 146051 | SUSE SLED15 / SLES15セキュリティ更新プログラム:MozillaFirefox(SUSE-SU-2021:0259-1) | Nessus | SuSE Local Security Checks | 2021/2/2 | 2021/3/8 | high |
| 146163 | Debian DLA-2539-1:firefox-esrのセキュリティ更新 | Nessus | Debian Local Security Checks | 2021/2/4 | 2021/3/8 | high |
| 146565 | Oracle Linux 8:thunderbird(ELSA-2021-0298) | Nessus | Oracle Linux Local Security Checks | 2021/2/17 | 2024/10/22 | high |
| 208615 | CentOS 7 : firefox (RHSA-2021:0290) | Nessus | CentOS Local Security Checks | 2024/10/9 | 2024/10/9 | high |
| 208628 | CentOS 7 : thunderbird (RHSA-2021:0297) | Nessus | CentOS Local Security Checks | 2024/10/9 | 2024/10/9 | high |
| 294665 | MiracleLinux 4thunderbird-78.7.0-1.0.1.AXS4AXSA:2021-1432:01 | Nessus | Miracle Linux Local Security Checks | 2026/1/20 | 2026/1/20 | high |
| 145446 | Mozilla Firefox ESR < 78.7 | Nessus | Windows | 2021/1/26 | 2025/11/18 | high |
| 145447 | Mozilla Firefox ESR < 78.7 | Nessus | MacOS X Local Security Checks | 2021/1/26 | 2025/11/18 | high |
| 145467 | Mozilla Thunderbird < 78.7 | Nessus | MacOS X Local Security Checks | 2021/1/27 | 2025/11/18 | high |
| 145503 | RHEL 8: firefox(RHSA-2021: 0285) | Nessus | Red Hat Local Security Checks | 2021/1/27 | 2024/11/7 | high |
| 145504 | Scientific Linux セキュリティ更新: SL7.x i686/x86_64のfirefox (2021:0290) | Nessus | Scientific Linux Local Security Checks | 2021/1/27 | 2024/1/25 | high |
| 145541 | RHEL 8 : thunderbird(RHSA-2021:0299) | Nessus | Red Hat Local Security Checks | 2021/1/29 | 2024/11/7 | high |
| 145543 | RHEL 8 : thunderbird(RHSA-2021:0298) | Nessus | Red Hat Local Security Checks | 2021/1/29 | 2024/11/7 | high |
| 145544 | RHEL 7:firefox(RHSA-2021: 0290) | Nessus | Red Hat Local Security Checks | 2021/1/29 | 2024/11/7 | high |
| 145728 | DebianDSA-4842-1:thunderbird - セキュリティ更新 | Nessus | Debian Local Security Checks | 2021/2/1 | 2024/1/25 | high |
| 145768 | openSUSEセキュリティ更新プログラム:MozillaThunderbird(openSUSE-2021-208) | Nessus | SuSE Local Security Checks | 2021/2/1 | 2024/1/25 | high |
| 145791 | CentOS 8:thunderbird(CESA-2021:0298) | Nessus | CentOS Local Security Checks | 2021/2/1 | 2024/1/25 | high |
| 146095 | RHEL 8 : thunderbird(RHSA-2021:0397) | Nessus | Red Hat Local Security Checks | 2021/2/3 | 2024/11/7 | high |
| 146513 | openSUSEセキュリティ更新プログラム:MozillaFirefox(openSUSE-2021-222) | Nessus | SuSE Local Security Checks | 2021/2/16 | 2021/3/8 | high |
| 293881 | MiracleLinux 8firefox-78.8.0-1.0.1.el8AXSA:2021-1575:07 | Nessus | Miracle Linux Local Security Checks | 2026/1/20 | 2026/2/4 | high |
| 145507 | RHEL 8: firefox(RHSA-2021: 0288) | Nessus | Red Hat Local Security Checks | 2021/1/27 | 2024/11/7 | high |
| 145508 | Oracle Linux 7: Firefox(ELSA-2021-0290) | Nessus | Oracle Linux Local Security Checks | 2021/1/27 | 2024/10/22 | high |
| 145527 | Debian DSA-4840-1:firefox-esr - セキュリティ更新 | Nessus | Debian Local Security Checks | 2021/1/28 | 2021/6/3 | high |
| 145739 | SUSE SLES12セキュリティ更新プログラム:MozillaFirefox(SUSE-SU-2021:0241-1) | Nessus | SuSE Local Security Checks | 2021/2/1 | 2021/3/8 | high |
| 145765 | SUSE SLED15 / SLES15セキュリティ更新プログラム:MozillaFirefox(SUSE-SU-2021:0246-1) | Nessus | SuSE Local Security Checks | 2021/2/1 | 2021/3/8 | high |
| 150562 | SUSE SLES11セキュリティ更新プログラム: MozillaFirefox (SUSE-SU-2021:14609-1) | Nessus | SuSE Local Security Checks | 2021/6/10 | 2021/6/10 | high |
| 248213 | Linux Distros のパッチ未適用の脆弱性: CVE-2021-23964 | Nessus | Misc. | 2025/8/11 | 2025/8/11 | high |
| 145507 | RHEL 8 : firefox (RHSA-2021:0288) | Nessus | Red Hat Local Security Checks | 2021/1/27 | 2024/11/7 | high |
| 145508 | Oracle Linux 7 : firefox (ELSA-2021-0290) | Nessus | Oracle Linux Local Security Checks | 2021/1/27 | 2024/10/22 | high |
| 145527 | Debian DSA-4840-1 : firefox-esr - security update | Nessus | Debian Local Security Checks | 2021/1/28 | 2021/6/3 | high |
| 145739 | SUSE SLES12 Security Update : MozillaFirefox (SUSE-SU-2021:0241-1) | Nessus | SuSE Local Security Checks | 2021/2/1 | 2021/3/8 | high |
| 145765 | SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2021:0246-1) | Nessus | SuSE Local Security Checks | 2021/2/1 | 2021/3/8 | high |
| 150562 | SUSE SLES11 Security Update : MozillaFirefox (SUSE-SU-2021:14609-1) | Nessus | SuSE Local Security Checks | 2021/6/10 | 2021/6/10 | high |
| 154471 | NewStart CGSL CORE 5.05 / MAIN 5.05 : thunderbird Multiple Vulnerabilities (NS-SA-2021-0177) | Nessus | NewStart CGSL Local Security Checks | 2021/10/27 | 2023/11/27 | high |
| 248213 | Linux Distros Unpatched Vulnerability : CVE-2021-23964 | Nessus | Misc. | 2025/8/11 | 2025/8/11 | high |
| 145465 | Mozilla Firefox < 85.0 | Nessus | Windows | 2021/1/27 | 2025/11/18 | high |
| 145506 | RHEL 8 : firefox (RHSA-2021:0289) | Nessus | Red Hat Local Security Checks | 2021/1/27 | 2024/11/7 | high |
| 145697 | Scientific Linux Security Update : thunderbird on SL7.x x86_64 (2021:0297) | Nessus | Scientific Linux Local Security Checks | 2021/1/29 | 2024/1/25 | high |
| 145711 | GLSA-202102-01 : Mozilla Firefox: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | 2021/2/1 | 2024/1/25 | high |
| 145758 | GLSA-202102-02 : Mozilla Thunderbird: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | 2021/2/1 | 2024/1/25 | high |
| 145792 | CentOS 8 : firefox (CESA-2021:0288) | Nessus | CentOS Local Security Checks | 2021/2/1 | 2024/1/25 | high |
| 146069 | Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Firefox vulnerabilities (USN-4717-1) | Nessus | Ubuntu Local Security Checks | 2021/2/3 | 2024/8/27 | high |