| 303472 | Mozilla Firefox ESR < 140.9 | Nessus | Windows | 3/24/2026 | 4/30/2026 | critical |
| 303503 | Mozilla Thunderbird < 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 |
| 303891 | Debian dla-4511 : thunderbird - security update | Nessus | Debian Local Security Checks | 3/26/2026 | 4/30/2026 | critical |
| 303892 | Debian dsa-6179 : 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 |
| 303907 | FreeBSD : Mozilla -- Multiple vulnerabilities (6d445322-2945-11f1-8461-b42e991fc52e) | Nessus | FreeBSD Local Security Checks | 3/26/2026 | 4/30/2026 | critical |
| 320637 | Oracle Linux 7 : firefox (ELSA-2026-8427) | Nessus | Oracle Linux Local Security Checks | 6/11/2026 | 6/11/2026 | critical |
| 357179 | Rocky Linux 10.1 [CIQ] Security Update: firefox / firefox-debuginfo / firefox-debugsource Multiple Vulnerabilities (crlsa-2026_5931) | Nessus | Rocky Linux Local Security Checks | 10/1/2026 | 10/1/2026 | 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 |
| 305099 | RockyLinux 8 : firefox (RLSA-2026:5932) | Nessus | Rocky Linux Local Security Checks | 4/6/2026 | 4/6/2026 | critical |
| 305766 | RockyLinux 10 : firefox (RLSA-2026:5931) | Nessus | Rocky Linux Local Security Checks | 4/9/2026 | 4/9/2026 | critical |
| 306083 | RHEL 8 : firefox (RHSA-2026:7842) | Nessus | Red Hat Local Security Checks | 4/13/2026 | 4/13/2026 | critical |
| 306160 | RHEL 8 : firefox (RHSA-2026:7838) | Nessus | Red Hat Local Security Checks | 4/13/2026 | 4/13/2026 | 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 |
| 306515 | RHEL 8 : thunderbird (RHSA-2026:8288) | Nessus | Red Hat Local Security Checks | 4/15/2026 | 4/15/2026 | critical |
| 307264 | MiracleLinux 8 : thunderbird-140.9.0-1.el8_10.ML.1 (AXSA:2026-444:07) | Nessus | Miracle Linux Local Security Checks | 4/17/2026 | 4/19/2026 | critical |
| 306725 | RHEL 7 : firefox (RHSA-2026:8427) | Nessus | Red Hat Local Security Checks | 4/16/2026 | 4/16/2026 | critical |
| 336055 | Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: thunderbird (UTSA-2026-101117) | Nessus | Unity Linux Local Security Checks | 8/17/2026 | 8/17/2026 | 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 |
| 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 |
| 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 |
| 353799 | Rocky Linux 8 [CIQ] Security Update: thunderbird / thunderbird-debuginfo / thunderbird-debugsource Multiple Vulnerabilities (crlsa-2026_6917) | Nessus | Rocky Linux Local Security Checks | 10/1/2026 | 10/1/2026 | critical |
| 336847 | Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: firefox (UTSA-2026-101293) | Nessus | Unity Linux Local Security Checks | 8/17/2026 | 8/17/2026 | 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 |
| 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 |
| 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 |
| 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 |
| 305150 | RockyLinux 9 : thunderbird (RLSA-2026:6188) | Nessus | Rocky Linux Local Security Checks | 4/7/2026 | 4/7/2026 | critical |
| 316673 | TencentOS Server 3: firefox (TSSA-2026:0397) | Nessus | Tencent Local Security Checks | 5/26/2026 | 5/26/2026 | critical |
| 350280 | SUSE SLED15: MozillaFirefox / MozillaFirefox-branding-upstream / etc (SUSE-SU-2026:1126-1) | Nessus | SuSE Local Security Checks | 9/25/2026 | 9/28/2026 | critical |
| 355936 | Rocky Linux 9 [CIQ] Security Update: firefox / firefox-debuginfo / firefox-debugsource / firefox-x11 Multiple Vulnerabilities (crlsa-2026_5930) | Nessus | Rocky Linux Local Security Checks | 10/1/2026 | 10/1/2026 | critical |
| 304736 | AlmaLinux 9 : thunderbird (ALSA-2026:6188) | Nessus | Alma Linux Local Security Checks | 4/3/2026 | 4/3/2026 | critical |
