| 404456 | Alpine: multiple firefox-esr packages: security update to 91.2.0-r0 | Tenable Cloud Security | Alpine Linux Local Security Checks | 10/31/2023 | 7/2/2026 | critical |
| 427104 | Alpine: thunderbird: security update to 91.3.2-r0 | Tenable Cloud Security | Alpine Linux Local Security Checks | 5/16/2025 | 7/2/2026 | critical |
| 404456 | Alpine: multiple firefox-esr packages: security update to 91.2.0-r0 | Tenable Self-Hosted Container Security | Alpine Linux Local Security Checks | 10/31/2023 | 7/2/2026 | critical |
| 427104 | Alpine: thunderbird: security update to 91.3.2-r0 | Tenable Self-Hosted Container Security | Alpine Linux Local Security Checks | 5/16/2025 | 7/2/2026 | critical |
| 404385 | Alpine: multiple firefox packages: security update to 93.0-r0 | Tenable Cloud Security | Alpine Linux Local Security Checks | 10/31/2023 | 7/2/2026 | critical |
| 404385 | Alpine: multiple firefox packages: security update to 93.0-r0 | Tenable Self-Hosted Container Security | Alpine Linux Local Security Checks | 10/31/2023 | 7/2/2026 | critical |
| 426761 | Alpine: multiple librewolf packages: security update to 93.0-r0 | Tenable Self-Hosted Container Security | Alpine Linux Local Security Checks | 5/16/2025 | 7/2/2026 | critical |
| 426761 | Alpine: multiple librewolf packages: security update to 93.0-r0 | Tenable Cloud Security | Alpine Linux Local Security Checks | 5/16/2025 | 7/2/2026 | critical |
| 153878 | Mozilla Firefox ESR < 91.2 | Nessus | Windows | 10/5/2021 | 11/18/2025 | critical |
| 153925 | Ubuntu 18.04 LTS / 20.04 LTS:Firefox 漏洞 (USN-5107-1) | Nessus | Ubuntu Local Security Checks | 10/7/2021 | 8/27/2024 | critical |
| 154058 | Mozilla Thunderbird < 91.2 | Nessus | MacOS X Local Security Checks | 10/13/2021 | 11/18/2025 | critical |
| 154135 | RHEL 8:thunderbird (RHSA-2021: 3838) | Nessus | Red Hat Local Security Checks | 10/14/2021 | 11/7/2024 | critical |
| 155551 | CentOS 7: firefox (RHSA-2021:3791) | Nessus | CentOS Local Security Checks | 11/17/2021 | 10/9/2024 | critical |
| 154341 | Oracle Linux 7:firefox (ELSA-2021-3791) | Nessus | Oracle Linux Local Security Checks | 10/22/2021 | 10/22/2024 | critical |
| 294640 | iracleLinux 8thunderbird-91.2.0-1.el8.ML.1 (AXSA:2021-2482:19) | Nessus | Miracle Linux Local Security Checks | 1/20/2026 | 1/20/2026 | critical |
| 154059 | Mozilla Thunderbird < 91.2 | Nessus | Windows | 10/13/2021 | 11/18/2025 | critical |
| 154136 | RHEL 8:thunderbird (RHSA-2021:3839) | Nessus | Red Hat Local Security Checks | 10/14/2021 | 11/7/2024 | critical |
| 157839 | Rocky Linux 8thunderbird (RLSA-2021:3838) | Nessus | Rocky Linux Local Security Checks | 2/9/2022 | 11/6/2023 | critical |
| 155552 | CentOS 7 : thunderbird (RHSA-2021:3841) | Nessus | CentOS Local Security Checks | 11/17/2021 | 10/9/2024 | critical |
| 156961 | Ubuntu 18.04 LTS / 20.04 LTS:thunderbird 弱點 (USN-5248-1) | Nessus | Ubuntu Local Security Checks | 1/22/2022 | 3/6/2025 | critical |
| 153881 | Mozilla Firefox < 93.0 | Nessus | Windows | 10/5/2021 | 12/18/2025 | critical |
| 154022 | RHEL 8:firefox (RHSA-2021: 3755) | Nessus | Red Hat Local Security Checks | 10/12/2021 | 11/7/2024 | critical |
| 154024 | RHEL 8:firefox (RHSA-2021: 3757) | Nessus | Red Hat Local Security Checks | 10/12/2021 | 11/7/2024 | critical |
| 154077 | RHEL 7:firefox (RHSA-2021:3791) | Nessus | Red Hat Local Security Checks | 10/13/2021 | 11/7/2024 | critical |
| 154143 | RHEL 8:thunderbird (RHSA-2021: 3840) | Nessus | Red Hat Local Security Checks | 10/14/2021 | 11/7/2024 | critical |
| 154158 | CentOS 8:thunderbird (CESA-2021: 3838) | Nessus | CentOS Local Security Checks | 10/15/2021 | 5/9/2022 | critical |
| 154353 | Oracle Linux 7:thunderbird (ELSA-2021-3841) | Nessus | Oracle Linux Local Security Checks | 10/23/2021 | 10/22/2024 | critical |
| 163228 | Amazon Linux 2:thunderbird (ALAS-2022-1818) | Nessus | Amazon Linux Local Security Checks | 7/15/2022 | 12/11/2024 | critical |
| 153879 | Mozilla Firefox ESR < 91.2 | Nessus | MacOS X Local Security Checks | 10/5/2021 | 11/18/2025 | critical |
| 153997 | Oracle Linux 8:firefox (ELSA-2021-3755) | Nessus | Oracle Linux Local Security Checks | 10/11/2021 | 10/22/2024 | critical |
| 154156 | CentOS 8:firefox (CESA-2021: 3755) | Nessus | CentOS Local Security Checks | 10/14/2021 | 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 |
| 154201 | Scientific Linux 安全更新:SL7.x x86_64 上的 thunderbird (2021:3841) | Nessus | Scientific Linux Local Security Checks | 10/18/2021 | 5/9/2022 | critical |
| 248262 | Linux Distros 未修补的漏洞:CVE-2021-38497 | Nessus | Misc. | 8/11/2025 | 7/24/2026 | medium |
| 294652 | MagicLinux 8firefox-91.2.0-4.el8.ML.1 (AXSA:2021-2461:28) | Nessus | Miracle Linux Local Security Checks | 1/20/2026 | 1/20/2026 | critical |
| 153879 | Mozilla Firefox ESR < 91.2 | Nessus | MacOS X Local Security Checks | 10/5/2021 | 11/18/2025 | critical |
| 153997 | Oracle Linux 8:firefox (ELSA-2021-3755) | Nessus | Oracle Linux Local Security Checks | 10/11/2021 | 10/22/2024 | critical |
| 154156 | CentOS 8:firefox (CESA-2021: 3755) | Nessus | CentOS Local Security Checks | 10/14/2021 | 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 |
| 154201 | Scientific Linux 安全性更新:SL7.x x86_64 上的 thunderbird (2021:3841) | Nessus | Scientific Linux Local Security Checks | 10/18/2021 | 5/9/2022 | critical |
| 163228 | Amazon Linux 2:thunderbird (ALAS-2022-1818) | Nessus | Amazon Linux Local Security Checks | 7/15/2022 | 12/11/2024 | critical |
| 248262 | Linux Distros 未修補的弱點:CVE-2021-38497 | Nessus | Misc. | 8/11/2025 | 7/24/2026 | medium |
| 294652 | MiracleLinux 8firefox-91.2.0-4.el8.ML.1 (AXSA:2021-2461:28) | Nessus | Miracle Linux Local Security Checks | 1/20/2026 | 1/20/2026 | critical |
| 153878 | Mozilla Firefox ESR < 91.2 | Nessus | Windows | 10/5/2021 | 11/18/2025 | critical |
| 153925 | Ubuntu 18.04 LTS / 20.04 LTS:Firefox 弱點 (USN-5107-1) | Nessus | Ubuntu Local Security Checks | 10/7/2021 | 8/27/2024 | critical |
| 154058 | Mozilla Thunderbird < 91.2 | Nessus | MacOS X Local Security Checks | 10/13/2021 | 11/18/2025 | critical |
| 154135 | RHEL 8:thunderbird (RHSA-2021: 3838) | Nessus | Red Hat Local Security Checks | 10/14/2021 | 11/7/2024 | critical |
| 154341 | Oracle Linux 7:firefox (ELSA-2021-3791) | Nessus | Oracle Linux Local Security Checks | 10/22/2021 | 10/22/2024 | critical |
| 155551 | CentOS 7 : firefox (RHSA-2021:3791) | Nessus | CentOS Local Security Checks | 11/17/2021 | 10/9/2024 | critical |
| 294640 | MiracleLinux 8thunderbird-91.2.0-1.el8.ML.1 (AXSA:2021-2482:19) | Nessus | Miracle Linux Local Security Checks | 1/20/2026 | 1/20/2026 | critical |