| 154942 | RHEL 8 : thunderbird (RHSA-2021:4133) | Nessus | Red Hat Local Security Checks | 11/6/2021 | 11/7/2024 | critical |
| 155539 | CentOS 7 : firefox (RHSA-2021:4116) | Nessus | CentOS Local Security Checks | 11/17/2021 | 10/9/2024 | critical |
| 154883 | Ubuntu 18.04LTS / 20.04LTS: Firefox ć®čå¼±ę§ (USN-5131-1) | Nessus | Ubuntu Local Security Checks | 11/3/2021 | 8/28/2024 | critical |
| 154902 | Oracle Linux 7ļ¼thunderbird (ELSA-2021-4134 ) | Nessus | Oracle Linux Local Security Checks | 11/5/2021 | 10/22/2024 | critical |
| 154934 | Oracle Linux 8ļ¼thunderbird (ELSA-2021-4130 ) | Nessus | Oracle Linux Local Security Checks | 11/5/2021 | 10/22/2024 | critical |
| 155023 | RHEL 8: firefox (RHSA-2021: 4605) | Nessus | Red Hat Local Security Checks | 11/10/2021 | 11/8/2024 | critical |
| 155575 | SUSE SLED12 / SLES12 ć»ćć„ćŖćć£ę“ę°ććć°ć©ć : MozillaFirefox (SUSE-SU-2021:3721-1) | Nessus | SuSE Local Security Checks | 11/18/2021 | 6/26/2026 | critical |
| 155656 | openSUSE 15 ć»ćć„ćŖćć£ę“ę°ļ¼MozillaFirefoxļ¼openSUSE-SU-2021:3745-1ļ¼ | Nessus | SuSE Local Security Checks | 11/20/2021 | 3/17/2022 | critical |
| 156385 | Debian DLA-2863-1 : firefox-esr - LTS ć»ćć„ćŖćć£ę“ę° | Nessus | Debian Local Security Checks | 12/29/2021 | 1/24/2025 | critical |
| 156395 | openSUSE 15 ć»ćć„ćŖćć£ę“ę°: MozillaThunderbird (openSUSE-SU-2021:1635-1) | Nessus | SuSE Local Security Checks | 12/30/2021 | 3/6/2025 | critical |
| 156961 | Ubuntu 18.04LTS/20.04 LTSļ¼Thunderbirdć®čå¼±ę§ (USN-5248-1) | Nessus | Ubuntu Local Security Checks | 1/22/2022 | 3/6/2025 | critical |
| 157643 | AlmaLinux 8thunderbirdALSA-2021:4130 | Nessus | Alma Linux Local Security Checks | 2/9/2022 | 3/17/2022 | critical |
| 154817 | Mozilla Firefox ESR < 91.3 | Nessus | Windows | 11/2/2021 | 11/18/2025 | critical |
| 154820 | Mozilla Firefox < 94.0 | Nessus | MacOS X Local Security Checks | 11/2/2021 | 11/18/2025 | critical |
| 154944 | RHEL 8 : thunderbirdļ¼RHSA-2021ļ¼4130) | Nessus | Red Hat Local Security Checks | 11/6/2021 | 11/7/2024 | critical |
| 154947 | RHEL 8 : thunderbirdļ¼RHSA-2021ļ¼4132) | Nessus | Red Hat Local Security Checks | 11/6/2021 | 11/7/2024 | critical |
| 247394 | Linux Distros ć®ćććęŖé©ēØć®čå¼±ę§: CVE-2021-38504 | Nessus | Misc. | 8/10/2025 | 7/24/2026 | high |
| 154816 | Mozilla Firefox ESR < 91.3 | Nessus | MacOS X Local Security Checks | 11/2/2021 | 11/18/2025 | critical |
| 154819 | Mozilla Firefox < 94.0 | Nessus | Windows | 11/2/2021 | 11/18/2025 | critical |
| 154886 | Oracle Linux 7: Firefox (ELSA-2021-4116 ) | Nessus | Oracle Linux Local Security Checks | 11/4/2021 | 10/22/2024 | critical |
| 154979 | CentOS 8 : thunderbirdļ¼CESA-2021ļ¼4130) | Nessus | CentOS Local Security Checks | 11/9/2021 | 3/17/2022 | critical |
| 155157 | SUSE SLES15ć»ćć„ćŖćć£ę“ę°ććć°ć©ć : MozillaFirefox (SUSE-SU-2021:3651-1) | Nessus | SuSE Local Security Checks | 11/11/2021 | 6/26/2026 | critical |
| 155637 | Ubuntu 21.10LTSļ¼Thunderbirdć®čå¼±ę§ (USN-5152-1) | Nessus | Ubuntu Local Security Checks | 11/19/2021 | 8/28/2024 | critical |
| 155644 | SUSE SLED15 / SLES15 ć»ćć„ćŖćć£ę“ę°ććć°ć©ć : MozillaFirefox (SUSE-SU-2021:3745-1) | Nessus | SuSE Local Security Checks | 11/20/2021 | 6/25/2026 | critical |
| 156271 | openSUSE 15 ć»ćć„ćŖćć£ę“ę°ļ¼MozillaThunderbirdļ¼openSUSE-SU-2021:4150-1ļ¼ | Nessus | SuSE Local Security Checks | 12/25/2021 | 3/6/2025 | critical |
| 156292 | SUSE SLED15/ SLES15ć»ćć„ćŖćć£ę“ę°ććć°ć©ć : MozillaThunderbird (SUSE-SU-2021:4150-1) | Nessus | SuSE Local Security Checks | 12/25/2021 | 6/26/2026 | critical |
| 294633 | MiracleLinux 8thunderbird-91.3.0-2.el8.ML.1AXSA:2021-2532:20 | Nessus | Miracle Linux Local Security Checks | 1/20/2026 | 1/20/2026 | critical |
| 154876 | Mozilla Thunderbird < 91.3 | Nessus | MacOS X Local Security Checks | 11/3/2021 | 11/18/2025 | critical |
| 156191 | Debian DSA-5026-1 : firefox-esr - security update | Nessus | Debian Local Security Checks | 12/19/2021 | 1/24/2025 | critical |
| 156457 | Debian DLA-2874-1 : thunderbird - LTS security update | Nessus | Debian Local Security Checks | 1/4/2022 | 5/6/2022 | critical |
| 294180 | MiracleLinux 8 : firefox-91.3.0-1.el8.ML.1 (AXSA:2021-2529:31) | Nessus | Miracle Linux Local Security Checks | 1/20/2026 | 1/20/2026 | critical |
| 154891 | RHEL 7 : firefox (RHSA-2021:4116) | Nessus | Red Hat Local Security Checks | 11/4/2021 | 11/7/2024 | critical |
| 154909 | RHEL 8 : firefox (RHSA-2021:4123) | Nessus | Red Hat Local Security Checks | 11/5/2021 | 11/7/2024 | critical |
| 154943 | RHEL 7 : thunderbird (RHSA-2021:4134) | Nessus | Red Hat Local Security Checks | 11/6/2021 | 11/7/2024 | critical |
| 294272 | MiracleLinux 7 : firefox-91.3.0-1.0.1.el7.AXS7 (AXSA:2021-2530:32) | Nessus | Miracle Linux Local Security Checks | 1/20/2026 | 1/20/2026 | critical |
| 155075 | RHEL 8 : firefox (RHSA-2021:4607) | Nessus | Red Hat Local Security Checks | 11/11/2021 | 11/7/2024 | critical |
| 155538 | CentOS 7 : thunderbird (RHSA-2021:4134) | Nessus | CentOS Local Security Checks | 11/17/2021 | 10/9/2024 | critical |
| 156451 | Debian DSA-5034-1 : thunderbird - security update | Nessus | Debian Local Security Checks | 1/3/2022 | 1/24/2025 | critical |
| 157516 | AlmaLinux 8 : firefox (ALSA-2021:4123) | Nessus | Alma Linux Local Security Checks | 2/9/2022 | 3/17/2022 | critical |
| 157736 | Rocky Linux 8 : firefox (RLSA-2021:4123) | Nessus | Rocky Linux Local Security Checks | 2/9/2022 | 11/6/2023 | 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 |
| 154969 | CentOS 8 : firefox (CESA-2021:4123) | Nessus | CentOS Local Security Checks | 11/9/2021 | 3/17/2022 | critical |
| 154817 | Mozilla Firefox ESR < 91.3 | Nessus | Windows | 11/2/2021 | 11/18/2025 | critical |
| 154820 | Mozilla Firefox < 94.0 | Nessus | MacOS X Local Security Checks | 11/2/2021 | 11/18/2025 | critical |
| 157643 | AlmaLinux 8 : thunderbird (ALSA-2021:4130) | Nessus | Alma Linux Local Security Checks | 2/9/2022 | 3/17/2022 | critical |
| 154944 | RHEL 8 : thunderbird (RHSA-2021:4130) | Nessus | Red Hat Local Security Checks | 11/6/2021 | 11/7/2024 | critical |
| 154947 | RHEL 8 : thunderbird (RHSA-2021:4132) | Nessus | Red Hat Local Security Checks | 11/6/2021 | 11/7/2024 | critical |
| 247394 | Linux Distros Unpatched Vulnerability : CVE-2021-38504 | Nessus | Misc. | 8/10/2025 | 7/24/2026 | high |
| 206859 | NewStart CGSL MAIN 6.02 : firefox Multiple Vulnerabilities (NS-SA-2024-0066) | Nessus | NewStart CGSL Local Security Checks | 9/10/2024 | 9/25/2025 | critical |
| 154816 | Mozilla Firefox ESR < 91.3 | Nessus | MacOS X Local Security Checks | 11/2/2021 | 11/18/2025 | critical |
