| 299865 | Mozilla Firefox < 148.0 | Nessus | Windows | 2/24/2026 | 4/30/2026 | critical |
| 299891 | Mozilla Thunderbird < 148.0 | Nessus | Windows | 2/24/2026 | 4/30/2026 | critical |
| 300500 | Fedora 42 : firefox / nss (2026-0709b275a5) | Nessus | Fedora Local Security Checks | 3/4/2026 | 4/30/2026 | critical |
| 301445 | Fedora 44 : firefox / nss (2026-b5bde68630) | Nessus | Fedora Local Security Checks | 3/7/2026 | 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 |
| 299869 | Mozilla Firefox ESR < 140.8 | Nessus | Windows | 2/24/2026 | 4/30/2026 | critical |
| 299870 | Mozilla Firefox ESR < 140.8 | Nessus | MacOS X Local Security Checks | 2/24/2026 | 4/30/2026 | critical |
| 300028 | AlmaLinux 9 : firefox (ALSA-2026:3339) | Nessus | Alma Linux Local Security Checks | 2/26/2026 | 4/30/2026 | critical |
| 300216 | RHEL 8 : firefox (RHSA-2026:3492) | Nessus | Red Hat Local Security Checks | 3/2/2026 | 4/30/2026 | critical |
| 300654 | RockyLinux 9 : thunderbird (RLSA-2026:3516) | Nessus | Rocky Linux Local Security Checks | 3/4/2026 | 3/4/2026 | critical |
| 300944 | Oracle Linux 10 : thunderbird (ELSA-2026-3517) | Nessus | Oracle Linux Local Security Checks | 3/5/2026 | 4/30/2026 | critical |
| 301493 | RHEL 9 : thunderbird (RHSA-2026:3982) | Nessus | Red Hat Local Security Checks | 3/9/2026 | 3/9/2026 | critical |
| 304276 | Amazon Linux 2023 : firefox (ALAS2023-2026-1470) | Nessus | Amazon Linux Local Security Checks | 3/30/2026 | 3/30/2026 | critical |
