| 310964 | TencentOS Server 3: thunderbird (TSSA-2026:0263) | Nessus | Tencent Local Security Checks | 4/29/2026 | 4/29/2026 | critical |
| 303745 | Debian dsa-6178 : firefox-esr - security update | Nessus | Debian Local Security Checks | 3/25/2026 | 3/26/2026 | critical |
| 303805 | RHEL 8 : firefox (RHSA-2026:5932) | Nessus | Red Hat Local Security Checks | 3/26/2026 | 3/26/2026 | critical |
| 304314 | AlmaLinux 10 : firefox (ALSA-2026:5931) | Nessus | Alma Linux Local Security Checks | 3/30/2026 | 3/30/2026 | critical |
| 304408 | Fedora 42 : firefox / nss (2026-49237e1ced) | Nessus | Fedora Local Security Checks | 3/31/2026 | 4/30/2026 | critical |
| 304477 | MiracleLinux 9 : firefox-140.9.0-1.el9_7.ML.1 (AXSA:2026-372:05) | Nessus | Miracle Linux Local Security Checks | 4/1/2026 | 4/2/2026 | critical |
| 304538 | AlmaLinux 10 : thunderbird (ALSA-2026:6342) | Nessus | Alma Linux Local Security Checks | 4/1/2026 | 4/1/2026 | critical |
| 305150 | RockyLinux 9 : thunderbird (RLSA-2026:6188) | Nessus | Rocky Linux Local Security Checks | 4/7/2026 | 4/7/2026 | critical |
| 305755 | RockyLinux 10 : thunderbird (RLSA-2026:6342) | Nessus | Rocky Linux Local Security Checks | 4/9/2026 | 4/9/2026 | critical |
| 306109 | RHEL 10 : firefox (RHSA-2026:7843) | Nessus | Red Hat Local Security Checks | 4/13/2026 | 4/13/2026 | critical |
| 303471 | Mozilla Firefox < 149.0 | Nessus | MacOS X Local Security Checks | 3/24/2026 | 4/30/2026 | critical |
| 303504 | Mozilla Thunderbird < 149.0 | Nessus | MacOS X Local Security Checks | 3/24/2026 | 4/30/2026 | critical |
| 316673 | TencentOS Server 3: firefox (TSSA-2026:0397) | Nessus | Tencent Local Security Checks | 5/26/2026 | 5/26/2026 | critical |
| 303470 | Mozilla Firefox ESR < 115.34 | Nessus | MacOS X Local Security Checks | 3/24/2026 | 4/30/2026 | critical |
| 303505 | Mozilla Thunderbird < 140.9 | Nessus | MacOS X Local Security Checks | 3/24/2026 | 4/30/2026 | critical |
| 303802 | Fedora 43 : firefox / nss (2026-d8099dd719) | Nessus | Fedora Local Security Checks | 3/26/2026 | 3/26/2026 | 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 |
| 304316 | AlmaLinux 9 : firefox (ALSA-2026:5930) | Nessus | Alma Linux Local Security Checks | 3/30/2026 | 3/30/2026 | 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 |
