| 155920 | Mozilla Thunderbird < 91.4.0 | Nessus | MacOS X Local Security Checks | 12/8/2021 | 11/22/2023 | critical |
| 156144 | openSUSE 15 Security Update : MozillaFirefox (openSUSE-SU-2021:1575-1) | Nessus | SuSE Local Security Checks | 12/17/2021 | 12/30/2021 | high |
| 156191 | Debian DSA-5026-1 : firefox-esr - security update | Nessus | Debian Local Security Checks | 12/19/2021 | 3/17/2022 | critical |
| 184485 | Rocky Linux 8 : thunderbird (RLSA-2021:5045) | Nessus | Rocky Linux Local Security Checks | 11/6/2023 | 11/6/2023 | critical |
| 155958 | Oracle Linux 7 : firefox (ELSA-2021-5014) | Nessus | Oracle Linux Local Security Checks | 12/9/2021 | 12/30/2021 | high |
| 155970 | Ubuntu 18.04 LTS / 20.04 LTS : Firefox vulnerabilities (USN-5186-1) | Nessus | Ubuntu Local Security Checks | 12/10/2021 | 10/16/2023 | high |
| 157614 | AlmaLinux 8 : firefox (ALSA-2021:5013) | Nessus | Alma Linux Local Security Checks | 2/9/2022 | 2/14/2022 | high |
| 155974 | RHEL 7 : thunderbird (RHSA-2021:5046) | Nessus | Red Hat Local Security Checks | 12/10/2021 | 4/28/2024 | critical |
| 159007 | GLSA-202202-03 : Mozilla Firefox: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | 3/17/2022 | 11/6/2023 | critical |
| 155956 | RHEL 8 : firefox (RHSA-2021:5015) | Nessus | Red Hat Local Security Checks | 12/9/2021 | 4/28/2024 | critical |
| 155983 | RHEL 8 : thunderbird (RHSA-2021:5047) | Nessus | Red Hat Local Security Checks | 12/10/2021 | 4/28/2024 | critical |
| 155916 | Mozilla Firefox ESR < 91.4.0 | Nessus | MacOS X Local Security Checks | 12/8/2021 | 11/22/2023 | critical |
| 155918 | Mozilla Firefox < 95.0 | Nessus | MacOS X Local Security Checks | 12/8/2021 | 11/22/2023 | critical |
| 155953 | Scientific Linux Security Update : firefox on SL7.x i686/x86_64 (2021:5014) | Nessus | Scientific Linux Local Security Checks | 12/8/2021 | 12/30/2021 | high |
| 155991 | Oracle Linux 8 : thunderbird (ELSA-2021-5045) | Nessus | Oracle Linux Local Security Checks | 12/10/2021 | 12/30/2021 | high |
| 156008 | SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2021:3993-1) | Nessus | SuSE Local Security Checks | 12/11/2021 | 7/13/2023 | high |
| 156010 | SUSE SLES15 Security Update : MozillaFirefox (SUSE-SU-2021:3995-1) | Nessus | SuSE Local Security Checks | 12/11/2021 | 7/13/2023 | high |
| 184541 | Rocky Linux 8 : firefox (RLSA-2021:5013) | Nessus | Rocky Linux Local Security Checks | 11/6/2023 | 11/6/2023 | critical |
| 156395 | openSUSE 15 Security Update : MozillaThunderbird (openSUSE-SU-2021:1635-1) | Nessus | SuSE Local Security Checks | 12/30/2021 | 11/21/2023 | critical |
| 156457 | Debian DLA-2874-1 : thunderbird - LTS security update | Nessus | Debian Local Security Checks | 1/4/2022 | 5/6/2022 | critical |
| 157549 | AlmaLinux 8 : thunderbird (ALSA-2021:5045) | Nessus | Alma Linux Local Security Checks | 2/9/2022 | 2/14/2022 | high |
| 155915 | Mozilla Firefox ESR < 91.4.0 | Nessus | Windows | 12/8/2021 | 11/22/2023 | critical |
| 155917 | Mozilla Firefox < 95.0 | Nessus | Windows | 12/8/2021 | 11/22/2023 | critical |
| 155919 | Mozilla Thunderbird < 91.4.0 | Nessus | Windows | 12/8/2021 | 11/22/2023 | critical |
| 156292 | SUSE SLED15 / SLES15 Security Update : MozillaThunderbird (SUSE-SU-2021:4150-1) | Nessus | SuSE Local Security Checks | 12/25/2021 | 7/14/2023 | critical |
| 156451 | Debian DSA-5034-1 : thunderbird - security update | Nessus | Debian Local Security Checks | 1/3/2022 | 5/6/2022 | critical |
| 155968 | RHEL 8 : firefox (RHSA-2021:5013) | Nessus | Red Hat Local Security Checks | 12/10/2021 | 4/28/2024 | critical |
| 155971 | RHEL 8 : firefox (RHSA-2021:5017) | Nessus | Red Hat Local Security Checks | 12/10/2021 | 4/28/2024 | critical |
| 155988 | RHEL 8 : thunderbird (RHSA-2021:5045) | Nessus | Red Hat Local Security Checks | 12/10/2021 | 4/28/2024 | critical |
| 155995 | RHEL 8 : thunderbird (RHSA-2021:5055) | Nessus | Red Hat Local Security Checks | 12/10/2021 | 4/28/2024 | critical |
| 156961 | Ubuntu 18.04 LTS / 20.04 LTS : Thunderbird vulnerabilities (USN-5248-1) | Nessus | Ubuntu Local Security Checks | 1/22/2022 | 7/10/2023 | critical |
| 155957 | Oracle Linux 8 : firefox (ELSA-2021-5013) | Nessus | Oracle Linux Local Security Checks | 12/9/2021 | 12/30/2021 | high |
| 155972 | Scientific Linux Security Update : thunderbird on SL7.x x86_64 (2021:5046) | Nessus | Scientific Linux Local Security Checks | 12/10/2021 | 12/30/2021 | high |
| 155993 | Oracle Linux 7 : thunderbird (ELSA-2021-5046) | Nessus | Oracle Linux Local Security Checks | 12/10/2021 | 12/30/2021 | high |
| 155996 | CentOS 8 : thunderbird (CESA-2021:5045) | Nessus | CentOS Local Security Checks | 12/10/2021 | 11/22/2023 | high |
| 155997 | CentOS 8 : firefox (CESA-2021:5013) | Nessus | CentOS Local Security Checks | 12/10/2021 | 11/22/2023 | high |
| 156012 | SUSE SLES11 Security Update : MozillaFirefox (SUSE-SU-2021:14859-1) | Nessus | SuSE Local Security Checks | 12/11/2021 | 7/13/2023 | high |
| 156019 | SUSE SLED12 / SLES12 Security Update : MozillaFirefox (SUSE-SU-2021:4000-1) | Nessus | SuSE Local Security Checks | 12/13/2021 | 7/13/2023 | high |
| 156271 | openSUSE 15 Security Update : MozillaThunderbird (openSUSE-SU-2021:4150-1) | Nessus | SuSE Local Security Checks | 12/25/2021 | 11/22/2023 | critical |
| 156385 | Debian DLA-2863-1 : firefox-esr - LTS security update | Nessus | Debian Local Security Checks | 12/29/2021 | 3/17/2022 | critical |
| 163986 | GLSA-202208-14 : Mozilla Thunderbird: Multiple Vulnerabilities | Nessus | Gentoo Local Security Checks | 8/10/2022 | 10/16/2023 | critical |
| 155954 | RHEL 7 : firefox (RHSA-2021:5014) | Nessus | Red Hat Local Security Checks | 12/8/2021 | 4/28/2024 | critical |
| 155951 | RHEL 8 : firefox (RHSA-2021:5016) | Nessus | Red Hat Local Security Checks | 12/8/2021 | 4/28/2024 | critical |
| 155976 | RHEL 8 : thunderbird (RHSA-2021:5048) | Nessus | Red Hat Local Security Checks | 12/10/2021 | 4/28/2024 | critical |
| 156962 | Ubuntu 21.10 : Thunderbird vulnerabilities (USN-5246-1) | Nessus | Ubuntu Local Security Checks | 1/22/2022 | 7/10/2023 | critical |
