| 303472 | Mozilla Firefox ESR < 140.9 | Nessus | Windows | 3/24/2026 | 4/30/2026 | critical |
| 303506 | Mozilla Thunderbird < 149.0 | Nessus | Windows | 3/24/2026 | 4/30/2026 | critical |
| 304502 | RHEL 10 : thunderbird (RHSA-2026:6342) | Nessus | Red Hat Local Security Checks | 4/1/2026 | 4/1/2026 | critical |
| 304564 | Oracle Linux 10 : thunderbird (ELSA-2026-6342) | Nessus | Oracle Linux Local Security Checks | 4/1/2026 | 4/30/2026 | critical |
| 304847 | MiracleLinux 9 : thunderbird-140.9.0-1.el9_7.ML.1 (AXSA:2026-395:06) | Nessus | Miracle Linux Local Security Checks | 4/4/2026 | 4/5/2026 | critical |
| 303503 | Mozilla Thunderbird < 140.9 | Nessus | Windows | 3/24/2026 | 4/30/2026 | critical |
| 303907 | FreeBSD : Mozilla -- Multiple vulnerabilities (6d445322-2945-11f1-8461-b42e991fc52e) | Nessus | FreeBSD Local Security Checks | 3/26/2026 | 4/30/2026 | critical |
| 306216 | Amazon Linux 2023 : firefox (ALAS2023-2026-1554) | Nessus | Amazon Linux Local Security Checks | 4/13/2026 | 4/13/2026 | critical |
| 306281 | Amazon Linux 2 : thunderbird, --advisory ALAS2-2026-3241 (ALAS-2026-3241) | Nessus | Amazon Linux Local Security Checks | 4/14/2026 | 4/14/2026 | critical |
| 303891 | Debian dla-4511 : thunderbird - security update | Nessus | Debian Local Security Checks | 3/26/2026 | 4/30/2026 | critical |
| 303894 | Debian dla-4510 : firefox-esr - security update | Nessus | Debian Local Security Checks | 3/26/2026 | 3/26/2026 | critical |
| 303892 | Debian dsa-6179 : thunderbird - security update | Nessus | Debian Local Security Checks | 3/26/2026 | 4/30/2026 | critical |
| 303809 | RHEL 9 : firefox (RHSA-2026:5930) | Nessus | Red Hat Local Security Checks | 3/26/2026 | 3/26/2026 | critical |
| 304017 | Oracle Linux 8 : firefox (ELSA-2026-5932) | Nessus | Oracle Linux Local Security Checks | 3/27/2026 | 4/30/2026 | critical |
| 304018 | Oracle Linux 9 : firefox (ELSA-2026-5930) | Nessus | Oracle Linux Local Security Checks | 3/27/2026 | 4/30/2026 | critical |
| 304324 | RHEL 9 : thunderbird (RHSA-2026:6188) | Nessus | Red Hat Local Security Checks | 3/30/2026 | 3/30/2026 | critical |
| 304395 | Oracle Linux 9 : thunderbird (ELSA-2026-6188) | Nessus | Oracle Linux Local Security Checks | 3/31/2026 | 4/30/2026 | critical |
| 306034 | RockyLinux 8 : thunderbird (RLSA-2026:6917) | Nessus | Rocky Linux Local Security Checks | 4/11/2026 | 4/11/2026 | critical |
| 306080 | RHEL 9 : firefox (RHSA-2026:7837) | Nessus | Red Hat Local Security Checks | 4/13/2026 | 4/13/2026 | critical |
| 306108 | RHEL 8 : firefox (RHSA-2026:7840) | Nessus | Red Hat Local Security Checks | 4/13/2026 | 4/13/2026 | critical |
| 304316 | AlmaLinux 9 : firefox (ALSA-2026:5930) | Nessus | Alma Linux Local Security Checks | 3/30/2026 | 3/30/2026 | critical |
| 303802 | Fedora 43 : firefox / nss (2026-d8099dd719) | Nessus | Fedora Local Security Checks | 3/26/2026 | 3/26/2026 | critical |
| 303505 | Mozilla Thunderbird < 140.9 | Nessus | MacOS X Local Security Checks | 3/24/2026 | 4/30/2026 | critical |
