| 404457 | Alpine: multiple firefox-esr packages: security update to 91.3.0-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 |
| 404457 | Alpine: multiple firefox-esr packages: security update to 91.3.0-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 |
| 426351 | Alpine: multiple librewolf packages: security update to 94.0-r0 | Tenable Cloud Security | Alpine Linux Local Security Checks | 5/16/2025 | 7/2/2026 | critical |
| 426351 | Alpine: multiple librewolf packages: security update to 94.0-r0 | Tenable Self-Hosted Container Security | Alpine Linux Local Security Checks | 5/16/2025 | 7/2/2026 | critical |
| 404386 | Alpine: multiple firefox packages: security update to 94.0-r0 | Tenable Cloud Security | Alpine Linux Local Security Checks | 10/31/2023 | 7/2/2026 | critical |
| 404386 | Alpine: multiple firefox packages: security update to 94.0-r0 | Tenable Self-Hosted Container Security | Alpine Linux Local Security Checks | 10/31/2023 | 7/2/2026 | 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 |
| 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 |
| 155644 | SUSE SLED15: MozillaFirefox / MozillaFirefox-devel / etc (SUSE-SU-2021:3745-1) | Nessus | SuSE Local Security Checks | 11/20/2021 | 6/25/2026 | critical |
| 156271 | openSUSE 15 Security Update : MozillaThunderbird (openSUSE-SU-2021:4150-1) | Nessus | SuSE Local Security Checks | 12/25/2021 | 3/6/2025 | critical |
| 156292 | SUSE SLED15: MozillaThunderbird / MozillaThunderbird-translations-common / etc (SUSE-SU-2021:4150-1) | Nessus | SuSE Local Security Checks | 12/25/2021 | 6/26/2026 | critical |
| 155157 | SUSE SLES15: MozillaFirefox / MozillaFirefox-devel / etc (SUSE-SU-2021:3651-1) | Nessus | SuSE Local Security Checks | 11/11/2021 | 6/26/2026 | critical |
| 154875 | Mozilla Thunderbird < 91.3 | Nessus | Windows | 11/3/2021 | 11/18/2025 | critical |
| 155575 | SUSE SLED12: MozillaFirefox / MozillaFirefox-devel / etc (SUSE-SU-2021:3721-1) | Nessus | SuSE Local Security Checks | 11/18/2021 | 6/26/2026 | critical |
| 155656 | openSUSE 15 Security Update : MozillaFirefox (openSUSE-SU-2021:3745-1) | Nessus | SuSE Local Security Checks | 11/20/2021 | 3/17/2022 | critical |
| 156395 | openSUSE 15 Security Update : MozillaThunderbird (openSUSE-SU-2021:1635-1) | Nessus | SuSE Local Security Checks | 12/30/2021 | 3/6/2025 | critical |
| 154876 | Mozilla Thunderbird < 91.3 | Nessus | MacOS X Local Security Checks | 11/3/2021 | 11/18/2025 | critical |
| 245815 | Linux Distros Unpatched Vulnerability : CVE-2021-38505 | Nessus | Misc. | 8/8/2025 | 7/24/2026 | medium |
