| 153879 | Mozilla Firefox ESR < 91.2 | Nessus | MacOS X Local Security Checks | 10/5/2021 | 5/9/2022 | critical |
| 154202 | Scientific Linux Security Update : firefox on SL7.x i686/x86_64 (2021:3791) | Nessus | Scientific Linux Local Security Checks | 10/18/2021 | 5/9/2022 | critical |
| 154156 | CentOS 8 : firefox (CESA-2021:3755) | Nessus | CentOS Local Security Checks | 10/14/2021 | 5/9/2022 | critical |
| 156395 | openSUSE 15 Security Update : MozillaThunderbird (openSUSE-SU-2021:1635-1) | Nessus | SuSE Local Security Checks | 12/30/2021 | 11/21/2023 | critical |
| 157839 | Rocky Linux 8 : thunderbird (RLSA-2021:3838) | Nessus | Rocky Linux Local Security Checks | 2/9/2022 | 11/6/2023 | critical |
| 154341 | Oracle Linux 7 : firefox (ELSA-2021-3791) | Nessus | Oracle Linux Local Security Checks | 10/22/2021 | 10/22/2024 | critical |
| 153878 | Mozilla Firefox ESR < 91.2 | Nessus | Windows | 10/5/2021 | 5/9/2022 | critical |
| 153997 | Oracle Linux 8 : firefox (ELSA-2021-3755) | Nessus | Oracle Linux Local Security Checks | 10/11/2021 | 10/22/2024 | critical |
| 153925 | Ubuntu 18.04 LTS / 20.04 LTS : Firefox vulnerabilities (USN-5107-1) | Nessus | Ubuntu Local Security Checks | 10/7/2021 | 8/27/2024 | critical |
| 154353 | Oracle Linux 7 : thunderbird (ELSA-2021-3841) | Nessus | Oracle Linux Local Security Checks | 10/23/2021 | 10/22/2024 | critical |
| 154183 | SUSE SLED12 / SLES12 Security Update : MozillaFirefox (SUSE-SU-2021:3446-1) | Nessus | SuSE Local Security Checks | 10/17/2021 | 7/13/2023 | critical |
| 154193 | openSUSE 15 Security Update : MozillaFirefox (openSUSE-SU-2021:3451-1) | Nessus | SuSE Local Security Checks | 10/17/2021 | 11/28/2023 | critical |
| 174073 | NewStart CGSL CORE 5.05 / MAIN 5.05 : firefox Multiple Vulnerabilities (NS-SA-2023-0009) | Nessus | NewStart CGSL Local Security Checks | 4/11/2023 | 4/18/2023 | critical |
| 156271 | openSUSE 15 Security Update : MozillaThunderbird (openSUSE-SU-2021:4150-1) | Nessus | SuSE Local Security Checks | 12/25/2021 | 11/22/2023 | critical |
| 154077 | RHEL 7 : firefox (RHSA-2021:3791) | Nessus | Red Hat Local Security Checks | 10/13/2021 | 11/7/2024 | critical |
| 155551 | CentOS 7 : firefox (RHSA-2021:3791) | Nessus | CentOS Local Security Checks | 11/17/2021 | 10/9/2024 | critical |
| 154023 | RHEL 8 : firefox (RHSA-2021:3756) | Nessus | Red Hat Local Security Checks | 10/12/2021 | 11/7/2024 | critical |
| 154212 | SUSE SLES11 Security Update : MozillaFirefox, rust-cbindgen (SUSE-SU-2021:14826-1) | Nessus | SuSE Local Security Checks | 10/19/2021 | 7/13/2023 | critical |
| 196863 | RHEL 6 : mozilla (Unpatched Vulnerability) (deprecated) | Nessus | Red Hat Local Security Checks | 5/11/2024 | 5/31/2024 | critical |
| 154022 | RHEL 8 : firefox (RHSA-2021:3755) | Nessus | Red Hat Local Security Checks | 10/12/2021 | 11/7/2024 | critical |
| 154136 | RHEL 8 : thunderbird (RHSA-2021:3839) | Nessus | Red Hat Local Security Checks | 10/14/2021 | 11/7/2024 | 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 |
| 153881 | Mozilla Firefox < 93.0 | Nessus | Windows | 10/5/2021 | 5/9/2022 | critical |
| 154059 | Mozilla Thunderbird < 91.2 | Nessus | Windows | 10/13/2021 | 5/9/2022 | critical |
| 156561 | Ubuntu 21.10 : Thunderbird vulnerabilities (USN-5132-1) | Nessus | Ubuntu Local Security Checks | 1/7/2022 | 8/28/2024 | critical |
| 154134 | RHEL 7 : thunderbird (RHSA-2021:3841) | Nessus | Red Hat Local Security Checks | 10/14/2021 | 11/7/2024 | critical |
| 156961 | Ubuntu 18.04 LTS / 20.04 LTS : Thunderbird vulnerabilities (USN-5248-1) | Nessus | Ubuntu Local Security Checks | 1/22/2022 | 8/27/2024 | critical |
| 153880 | Mozilla Firefox < 93.0 | Nessus | MacOS X Local Security Checks | 10/5/2021 | 5/9/2022 | critical |
| 154058 | Mozilla Thunderbird < 91.2 | Nessus | MacOS X Local Security Checks | 10/13/2021 | 5/9/2022 | critical |
| 154201 | Scientific Linux Security Update : thunderbird on SL7.x x86_64 (2021:3841) | Nessus | Scientific Linux Local Security Checks | 10/18/2021 | 5/9/2022 | critical |
| 154176 | Oracle Linux 8 : thunderbird (ELSA-2021-3838) | Nessus | Oracle Linux Local Security Checks | 10/15/2021 | 10/22/2024 | critical |
| 154158 | CentOS 8 : thunderbird (CESA-2021:3838) | Nessus | CentOS Local Security Checks | 10/15/2021 | 5/9/2022 | critical |
| 154143 | RHEL 8 : thunderbird (RHSA-2021:3840) | Nessus | Red Hat Local Security Checks | 10/14/2021 | 11/7/2024 | critical |
| 154003 | SUSE SLES15 Security Update : MozillaFirefox (SUSE-SU-2021:3331-1) | Nessus | SuSE Local Security Checks | 10/12/2021 | 7/13/2023 | critical |
| 154135 | RHEL 8 : thunderbird (RHSA-2021:3838) | Nessus | Red Hat Local Security Checks | 10/14/2021 | 11/7/2024 | critical |
| 157783 | Rocky Linux 8 : firefox (RLSA-2021:3755) | Nessus | Rocky Linux Local Security Checks | 2/9/2022 | 11/6/2023 | critical |
| 154182 | SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2021:3451-1) | Nessus | SuSE Local Security Checks | 10/17/2021 | 7/13/2023 | critical |
| 154214 | openSUSE 15 Security Update : MozillaFirefox (openSUSE-SU-2021:1367-1) | Nessus | SuSE Local Security Checks | 10/19/2021 | 11/28/2023 | critical |
| 155552 | CentOS 7 : thunderbird (RHSA-2021:3841) | Nessus | CentOS Local Security Checks | 11/17/2021 | 10/9/2024 | critical |
| 154011 | openSUSE 15 Security Update : MozillaFirefox (openSUSE-SU-2021:3331-1) | Nessus | SuSE Local Security Checks | 10/12/2021 | 11/28/2023 | critical |
| 154024 | RHEL 8 : firefox (RHSA-2021:3757) | Nessus | Red Hat Local Security Checks | 10/12/2021 | 11/7/2024 | critical |
| 206859 | NewStart CGSL MAIN 6.02 : firefox Multiple Vulnerabilities (NS-SA-2024-0066) | Nessus | NewStart CGSL Local Security Checks | 9/10/2024 | 9/17/2024 | critical |
| 163228 | Amazon Linux 2 : thunderbird (ALAS-2022-1818) | Nessus | Amazon Linux Local Security Checks | 7/15/2022 | 10/17/2023 | critical |
