| 299892 | Mozilla Thunderbird < 140.8 | Nessus | Windows | 2/24/2026 | 4/30/2026 | critical |
| 300169 | Debian dsa-6148 : firefox-esr - security update | Nessus | Debian Local Security Checks | 3/1/2026 | 3/1/2026 | critical |
| 300171 | Oracle Linux 9 : firefox (ELSA-2026-3339) | Nessus | Oracle Linux Local Security Checks | 3/2/2026 | 4/30/2026 | critical |
| 300619 | RHEL 8 : thunderbird (RHSA-2026:3515) | Nessus | Red Hat Local Security Checks | 3/4/2026 | 3/4/2026 | critical |
| 300620 | RHEL 8 : firefox (RHSA-2026:3495) | Nessus | Red Hat Local Security Checks | 3/4/2026 | 3/4/2026 | critical |
| 300622 | RHEL 9 : firefox (RHSA-2026:3496) | Nessus | Red Hat Local Security Checks | 3/4/2026 | 3/4/2026 | critical |
| 300930 | MiracleLinux 9 : firefox-140.8.0-2.el9_7.ML.1 (AXSA:2026-241:03) | Nessus | Miracle Linux Local Security Checks | 3/5/2026 | 3/5/2026 | critical |
| 301322 | MiracleLinux 9 : thunderbird-140.8.0-1.el9_7.ML.1 (AXSA:2026-264:05) | Nessus | Miracle Linux Local Security Checks | 3/6/2026 | 3/9/2026 | critical |
| 302100 | SUSE SLED15 / SLES15 / openSUSE 15 Security Update : MozillaFirefox (SUSE-SU-2026:0871-1) | Nessus | SuSE Local Security Checks | 3/13/2026 | 3/13/2026 | critical |
| 303091 | Amazon Linux 2 : firefox, --advisory ALAS2FIREFOX-2026-054 (ALASFIREFOX-2026-054) | Nessus | Amazon Linux Local Security Checks | 3/19/2026 | 4/8/2026 | critical |
| 303100 | Amazon Linux 2 : thunderbird, --advisory ALAS2-2026-3198 (ALAS-2026-3198) | Nessus | Amazon Linux Local Security Checks | 3/19/2026 | 4/30/2026 | critical |
| 299868 | Mozilla Firefox ESR < 115.33 | Nessus | MacOS X Local Security Checks | 2/24/2026 | 4/30/2026 | critical |
| 299866 | Mozilla Firefox < 148.0 | Nessus | MacOS X Local Security Checks | 2/24/2026 | 4/30/2026 | critical |
| 299889 | Mozilla Thunderbird < 148.0 | Nessus | MacOS X Local Security Checks | 2/24/2026 | 4/30/2026 | critical |
| 320616 | Oracle Linux 7 : firefox (ELSA-2026-3984) | Nessus | Oracle Linux Local Security Checks | 6/11/2026 | 6/11/2026 | critical |
| 300261 | RHEL 8 : firefox (RHSA-2026:3494) | Nessus | Red Hat Local Security Checks | 3/2/2026 | 4/30/2026 | critical |
| 300263 | RHEL 10 : thunderbird (RHSA-2026:3517) | Nessus | Red Hat Local Security Checks | 3/2/2026 | 3/2/2026 | critical |
| 300285 | RHEL 8 : firefox (RHSA-2026:3491) | Nessus | Red Hat Local Security Checks | 3/2/2026 | 4/30/2026 | critical |
| 300300 | Oracle Linux 10 : firefox (ELSA-2026-3361) | Nessus | Oracle Linux Local Security Checks | 3/3/2026 | 4/30/2026 | critical |
| 300408 | MiracleLinux 8 : firefox-140.8.0-2.el8_10.ML.1 (AXSA:2026-248:04) | Nessus | Miracle Linux Local Security Checks | 3/3/2026 | 3/3/2026 | critical |
| 300636 | Debian dsa-6152 : thunderbird - security update | Nessus | Debian Local Security Checks | 3/4/2026 | 4/30/2026 | critical |
| 300869 | Debian dla-4496 : firefox-esr - security update | Nessus | Debian Local Security Checks | 3/5/2026 | 3/5/2026 | critical |
| 301182 | MiracleLinux 8 : thunderbird-140.8.0-1.el8_10.ML.1 (AXSA:2026-263:04) | Nessus | Miracle Linux Local Security Checks | 3/6/2026 | 3/9/2026 | critical |
| 301496 | RHEL 8 : thunderbird (RHSA-2026:3980) | Nessus | Red Hat Local Security Checks | 3/9/2026 | 3/9/2026 | critical |
| 301515 | RHEL 9 : thunderbird (RHSA-2026:3978) | Nessus | Red Hat Local Security Checks | 3/9/2026 | 3/9/2026 | critical |
| 301544 | RHEL 10 : firefox (RHSA-2026:3976) | Nessus | Red Hat Local Security Checks | 3/9/2026 | 3/9/2026 | critical |
| 301936 | RHEL 8 : thunderbird (RHSA-2026:4432) | Nessus | Red Hat Local Security Checks | 3/12/2026 | 3/12/2026 | critical |
| 336727 | Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: firefox (UTSA-2026-101128) | Nessus | Unity Linux Local Security Checks | 8/17/2026 | 8/17/2026 | critical |
