| 154912 | Amazon Linux 2 : thunderbird (ALAS-2021-1720) | Nessus | Amazon Linux Local Security Checks | 2021/11/5 | 2025/3/6 | high |
| 153227 | Scientific Linux Security Update : firefox on SL7.x i686/x86_64 (2021:3498) | Nessus | Scientific Linux Local Security Checks | 2021/9/13 | 2025/3/6 | high |
| 153234 | RHEL 8 : firefox (RHSA-2021:3496) | Nessus | Red Hat Local Security Checks | 2021/9/13 | 2025/3/6 | high |
| 153237 | Oracle Linux 8 : firefox (ELSA-2021-3497) | Nessus | Oracle Linux Local Security Checks | 2021/9/13 | 2025/3/6 | high |
| 358489 | Rocky Linux 8 [CIQ] Security Update: thunderbird / thunderbird-debuginfo / thunderbird-debugsource (crlsa-2021_3499) | Nessus | Rocky Linux Local Security Checks | 2026/10/1 | 2026/10/1 | high |
| 358111 | Rocky Linux 8 [CIQ] Security Update: firefox / firefox-debuginfo / firefox-debugsource (crlsa-2021_3497) | Nessus | Rocky Linux Local Security Checks | 2026/10/1 | 2026/10/1 | high |
| 153230 | RHEL 8 : thunderbird (RHSA-2021:3500) | Nessus | Red Hat Local Security Checks | 2021/9/13 | 2025/3/6 | high |
| 153088 | Mozilla Firefox < 92.0 | Nessus | MacOS X Local Security Checks | 2021/9/7 | 2025/12/18 | high |
| 153111 | Mozilla Thunderbird < 78.14 | Nessus | Windows | 2021/9/8 | 2025/11/18 | high |
| 153112 | Mozilla Thunderbird < 78.14 | Nessus | MacOS X Local Security Checks | 2021/9/8 | 2025/11/18 | high |
| 153183 | Ubuntu 18.04 LTS / 20.04 LTS : Firefox vulnerabilities (USN-5074-1) | Nessus | Ubuntu Local Security Checks | 2021/9/9 | 2025/3/6 | high |
| 153202 | Debian DSA-4969-1 : firefox-esr - security update | Nessus | Debian Local Security Checks | 2021/9/10 | 2025/3/6 | high |
| 153225 | Scientific Linux Security Update : thunderbird on SL7.x x86_64 (2021:3494) | Nessus | Scientific Linux Local Security Checks | 2021/9/13 | 2025/3/6 | high |
| 153226 | Debian DLA-2757-1 : thunderbird - LTS security update | Nessus | Debian Local Security Checks | 2021/9/13 | 2025/3/6 | high |
| 153238 | RHEL 7 : firefox (RHSA-2021:3498) | Nessus | Red Hat Local Security Checks | 2021/9/13 | 2025/3/6 | high |
| 153242 | RHEL 8 : firefox (RHSA-2021:3501) | Nessus | Red Hat Local Security Checks | 2021/9/13 | 2025/3/6 | high |
| 153412 | CentOS 8 : firefox (CESA-2021:3497) | Nessus | CentOS Local Security Checks | 2021/9/15 | 2025/3/6 | high |
| 153472 | CentOS 7 : firefox (RHSA-2021:3498) | Nessus | CentOS Local Security Checks | 2021/9/17 | 2025/3/6 | high |
| 153473 | CentOS 7 : thunderbird (RHSA-2021:3494) | Nessus | CentOS Local Security Checks | 2021/9/17 | 2025/3/6 | high |
| 160806 | NewStart CGSL CORE 5.04 / MAIN 5.04 : firefox Multiple Vulnerabilities (NS-SA-2022-0012) | Nessus | NewStart CGSL Local Security Checks | 2022/5/9 | 2025/3/6 | high |
| 160869 | NewStart CGSL CORE 5.05 / MAIN 5.05 : firefox Multiple Vulnerabilities (NS-SA-2022-0041) | Nessus | NewStart CGSL Local Security Checks | 2022/5/10 | 2025/3/6 | high |
| 294533 | MiracleLinux 4 : thunderbird-78.14.0-1.0.1.AXS4 (AXSA:2021-2419:18) | Nessus | Miracle Linux Local Security Checks | 2026/1/20 | 2026/1/20 | high |
| 153239 | Oracle Linux 8 : thunderbird (ELSA-2021-3499) | Nessus | Oracle Linux Local Security Checks | 2021/9/13 | 2025/3/6 | high |
| 159007 | GLSA-202202-03 : Mozilla Firefox: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | 2022/3/17 | 2025/3/6 | critical |
| 294263 | MiracleLinux 4 : firefox-78.14.0-1.0.1.AXS4 (AXSA:2021-2418:27) | Nessus | Miracle Linux Local Security Checks | 2026/1/20 | 2026/1/20 | high |
| 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: MozillaThunderbird / MozillaThunderbird-translations-common / etc (SUSE-SU-2021:4150-1) | Nessus | SuSE Local Security Checks | 2021/12/25 | 2026/6/26 | critical |
| 157810 | Rocky Linux 8 : thunderbird (RLSA-2021:3499) | Nessus | Rocky Linux Local Security Checks | 2022/2/9 | 2025/3/6 | high |
| 153216 | Debian DLA-2756-1 : firefox-esr - LTS security update | Nessus | Debian Local Security Checks | 2021/9/10 | 2025/3/6 | high |
| 153228 | RHEL 7 : thunderbird (RHSA-2021:3494) | Nessus | Red Hat Local Security Checks | 2021/9/13 | 2025/3/6 | high |
| 153229 | RHEL 8 : thunderbird (RHSA-2021:3499) | Nessus | Red Hat Local Security Checks | 2021/9/13 | 2025/3/6 | high |
| 153235 | RHEL 8 : firefox (RHSA-2021:3497) | Nessus | Red Hat Local Security Checks | 2021/9/13 | 2025/3/6 | high |
| 153236 | Oracle Linux 7 : thunderbird (ELSA-2021-3494) | Nessus | Oracle Linux Local Security Checks | 2021/9/13 | 2025/3/6 | high |
| 153241 | Oracle Linux 7 : firefox (ELSA-2021-3498) | Nessus | Oracle Linux Local Security Checks | 2021/9/13 | 2025/3/6 | high |
| 153410 | CentOS 8 : thunderbird (CESA-2021:3499) | Nessus | CentOS Local Security Checks | 2021/9/15 | 2025/3/6 | high |
| 153512 | Debian DSA-4973-1 : thunderbird - security update | Nessus | Debian Local Security Checks | 2021/9/21 | 2025/3/6 | high |
| 247608 | Linux Distros Unpatched Vulnerability : CVE-2021-38493 | Nessus | Misc. | 2025/8/10 | 2026/7/24 | high |
| 294306 | MiracleLinux 8 : thunderbird-78.14.0-1.el8.ML.1 (AXSA:2021-2414:17) | Nessus | Miracle Linux Local Security Checks | 2026/1/20 | 2026/1/20 | high |
| 153089 | Mozilla Firefox < 92.0 | Nessus | Windows | 2021/9/7 | 2025/12/18 | high |
| 163986 | GLSA-202208-14 : Mozilla Thunderbird: Multiple Vulnerabilities | Nessus | Gentoo Local Security Checks | 2022/8/10 | 2023/10/16 | critical |
| 156395 | openSUSE 15 Security Update : MozillaThunderbird (openSUSE-SU-2021:1635-1) | Nessus | SuSE Local Security Checks | 2021/12/30 | 2025/3/6 | critical |
