| 148767 | Mozilla Firefox < 88.0 | Nessus | Windows | 4/19/2021 | 1/3/2024 | high |
| 148983 | RHEL 8 : thunderbird (RHSA-2021:1352) | Nessus | Red Hat Local Security Checks | 4/26/2021 | 11/7/2024 | high |
| 148992 | Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Firefox vulnerabilities (USN-4926-1) | Nessus | Ubuntu Local Security Checks | 4/26/2021 | 8/28/2024 | high |
| 154502 | NewStart CGSL MAIN 6.02 : firefox Multiple Vulnerabilities (NS-SA-2021-0131) | Nessus | NewStart CGSL Local Security Checks | 10/27/2021 | 11/27/2023 | high |
| 149001 | Oracle Linux 7 : firefox (ELSA-2021-1363) | Nessus | Oracle Linux Local Security Checks | 4/27/2021 | 10/22/2024 | high |
| 149180 | SUSE SLES15 Security Update : MozillaFirefox (SUSE-SU-2021:1433-1) | Nessus | SuSE Local Security Checks | 4/30/2021 | 1/2/2024 | high |
| 148965 | Debian DLA-2632-1 : thunderbird security update | Nessus | Debian Local Security Checks | 4/23/2021 | 1/12/2024 | high |
| 148989 | RHEL 8 : firefox (RHSA-2021:1361) | Nessus | Red Hat Local Security Checks | 4/26/2021 | 11/8/2024 | high |
| 148932 | Debian DSA-4895-1 : firefox-esr - security update | Nessus | Debian Local Security Checks | 4/22/2021 | 1/12/2024 | high |
| 148766 | Mozilla Firefox < 88.0 | Nessus | MacOS X Local Security Checks | 4/19/2021 | 1/3/2024 | high |
| 148773 | Mozilla Thunderbird < 78.10 | Nessus | Windows | 4/19/2021 | 1/3/2024 | high |
| 149233 | GLSA-202104-10 : Mozilla Firefox: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | 5/3/2021 | 1/12/2024 | high |
| 148993 | RHEL 8 : firefox (RHSA-2021:1360) | Nessus | Red Hat Local Security Checks | 4/26/2021 | 11/7/2024 | high |
| 208520 | CentOS 7 : firefox (RHSA-2021:1363) | Nessus | CentOS Local Security Checks | 10/9/2024 | 10/9/2024 | high |
| 208530 | CentOS 7 : thunderbird (RHSA-2021:1350) | Nessus | CentOS Local Security Checks | 10/9/2024 | 10/9/2024 | high |
| 150617 | SUSE SLES11 Security Update : MozillaFirefox (SUSE-SU-2021:14708-1) | Nessus | SuSE Local Security Checks | 6/10/2021 | 12/26/2023 | high |
| 149577 | openSUSE Security Update : MozillaThunderbird (openSUSE-2021-644) | Nessus | SuSE Local Security Checks | 5/18/2021 | 1/1/2024 | high |
| 148984 | RHEL 8 : thunderbird (RHSA-2021:1353) | Nessus | Red Hat Local Security Checks | 4/26/2021 | 11/7/2024 | high |
| 154623 | NewStart CGSL CORE 5.04 / MAIN 5.04 : firefox Multiple Vulnerabilities (NS-SA-2021-0107) | Nessus | NewStart CGSL Local Security Checks | 10/28/2021 | 11/27/2023 | high |
| 148999 | Oracle Linux 8 : firefox (ELSA-2021-1360) | Nessus | Oracle Linux Local Security Checks | 4/27/2021 | 10/23/2024 | high |
| 149008 | Debian DLA-2633-1 : firefox-esr security update | Nessus | Debian Local Security Checks | 4/27/2021 | 1/12/2024 | high |
| 148772 | Mozilla Thunderbird < 78.10 | Nessus | MacOS X Local Security Checks | 4/19/2021 | 1/3/2024 | high |
| 148775 | Mozilla Firefox ESR < 78.10 | Nessus | Windows | 4/19/2021 | 1/3/2024 | high |
| 150949 | Ubuntu 20.04 LTS : Thunderbird vulnerabilities (USN-4995-1) | Nessus | Ubuntu Local Security Checks | 6/22/2021 | 8/27/2024 | high |
| 151017 | Ubuntu 18.04 LTS : Thunderbird vulnerabilities (USN-4995-2) | Nessus | Ubuntu Local Security Checks | 6/25/2021 | 10/29/2024 | high |
| 149554 | openSUSE Security Update : MozillaFirefox (openSUSE-2021-621) | Nessus | SuSE Local Security Checks | 5/18/2021 | 1/1/2024 | high |
| 148981 | RHEL 7 : thunderbird (RHSA-2021:1350) | Nessus | Red Hat Local Security Checks | 4/26/2021 | 11/7/2024 | high |
| 160862 | NewStart CGSL CORE 5.05 / MAIN 5.05 : firefox Multiple Vulnerabilities (NS-SA-2022-0029) | Nessus | NewStart CGSL Local Security Checks | 5/10/2022 | 10/30/2023 | high |
| 149021 | Oracle Linux 8 : thunderbird (ELSA-2021-1353) | Nessus | Oracle Linux Local Security Checks | 4/27/2021 | 10/23/2024 | high |
| 148964 | Debian DSA-4897-1 : thunderbird - security update | Nessus | Debian Local Security Checks | 4/23/2021 | 1/12/2024 | high |
| 149035 | SUSE SLES12 Security Update : MozillaFirefox (SUSE-SU-2021:1325-1) | Nessus | SuSE Local Security Checks | 4/28/2021 | 1/3/2024 | high |
| 148774 | Mozilla Firefox ESR < 78.10 | Nessus | MacOS X Local Security Checks | 4/19/2021 | 1/3/2024 | high |
| 149226 | GLSA-202104-09 : Mozilla Thunderbird: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | 5/3/2021 | 1/12/2024 | high |
| 148985 | RHEL 8 : thunderbird (RHSA-2021:1351) | Nessus | Red Hat Local Security Checks | 4/26/2021 | 11/7/2024 | high |
| 149006 | SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2021:1307-1) | Nessus | SuSE Local Security Checks | 4/27/2021 | 1/3/2024 | high |
| 148998 | Oracle Linux 7 : thunderbird (ELSA-2021-1350) | Nessus | Oracle Linux Local Security Checks | 4/27/2021 | 10/23/2024 | high |
| 149863 | Amazon Linux 2 : thunderbird (ALAS-2021-1644) | Nessus | Amazon Linux Local Security Checks | 5/24/2021 | 12/29/2023 | high |
| 149026 | CentOS 8 : thunderbird (CESA-2021:1353) | Nessus | CentOS Local Security Checks | 4/27/2021 | 1/3/2024 | high |
| 148988 | RHEL 8 : firefox (RHSA-2021:1362) | Nessus | Red Hat Local Security Checks | 4/26/2021 | 11/7/2024 | high |
| 149237 | CentOS 8 : firefox (CESA-2021:1360) | Nessus | CentOS Local Security Checks | 5/3/2021 | 1/2/2024 | high |
| 148990 | RHEL 7 : firefox (RHSA-2021:1363) | Nessus | Red Hat Local Security Checks | 4/26/2021 | 11/7/2024 | high |
| 196863 | RHEL 6 : mozilla (Unpatched Vulnerability) (deprecated) | Nessus | Red Hat Local Security Checks | 5/11/2024 | 5/31/2024 | critical |
