| 301547 | RHEL 8 : thunderbird (RHSA-2026:4022) | Nessus | Red Hat Local Security Checks | 3/9/2026 | 3/9/2026 | critical |
| 357711 | Rocky Linux 10.1 [CIQ] Security Update: thunderbird / thunderbird-debuginfo / thunderbird-debugsource Multiple Vulnerabilities (crlsa-2026_3517) | Nessus | Rocky Linux Local Security Checks | 10/1/2026 | 10/1/2026 | critical |
| 303003 | openSUSE 16 Security Update : MozillaFirefox (openSUSE-SU-2026:20365-1) | Nessus | SuSE Local Security Checks | 3/19/2026 | 3/19/2026 | critical |
| 303442 | RHEL 9 : thunderbird (RHSA-2026:3516) | Nessus | Red Hat Local Security Checks | 3/24/2026 | 3/24/2026 | critical |
| 301130 | AlmaLinux 8 : thunderbird (ALSA-2026:3515) | Nessus | Alma Linux Local Security Checks | 3/6/2026 | 3/6/2026 | critical |
| 301486 | RHEL 8 : thunderbird (RHSA-2026:3979) | Nessus | Red Hat Local Security Checks | 3/9/2026 | 3/9/2026 | critical |
| 301517 | RHEL 9 : thunderbird (RHSA-2026:3983) | Nessus | Red Hat Local Security Checks | 3/9/2026 | 3/9/2026 | critical |
| 301519 | RHEL 7 : firefox (RHSA-2026:3984) | Nessus | Red Hat Local Security Checks | 3/9/2026 | 3/9/2026 | critical |
| 301690 | RHEL 9 : firefox (RHSA-2026:4152) | Nessus | Red Hat Local Security Checks | 3/10/2026 | 3/10/2026 | critical |
| 299964 | RHEL 10 : firefox (RHSA-2026:3361) | Nessus | Red Hat Local Security Checks | 2/25/2026 | 4/30/2026 | critical |
| 300027 | AlmaLinux 10 : firefox (ALSA-2026:3361) | Nessus | Alma Linux Local Security Checks | 2/26/2026 | 4/30/2026 | critical |
| 300084 | RHEL 8 : firefox (RHSA-2026:3338) | Nessus | Red Hat Local Security Checks | 2/27/2026 | 4/30/2026 | critical |
| 300104 | Slackware Linux 15.0 / current mozilla-firefox Multiple Vulnerabilities (SSA:2026-055-01) | Nessus | Slackware Local Security Checks | 2/28/2026 | 2/28/2026 | critical |
| 300114 | Fedora 43 : firefox (2026-766e3a6ec8) | Nessus | Fedora Local Security Checks | 2/28/2026 | 4/30/2026 | critical |
| 300262 | RHEL 9 : firefox (RHSA-2026:3497) | Nessus | Red Hat Local Security Checks | 3/2/2026 | 4/30/2026 | critical |
| 300616 | RHEL 9 : firefox (RHSA-2026:3493) | Nessus | Red Hat Local Security Checks | 3/4/2026 | 3/4/2026 | critical |
| 300655 | RockyLinux 8 : thunderbird (RLSA-2026:3515) | Nessus | Rocky Linux Local Security Checks | 3/4/2026 | 3/4/2026 | critical |
| 302081 | TencentOS Server 4: firefox (TSSA-2026:0166) | Nessus | Tencent Local Security Checks | 3/13/2026 | 3/13/2026 | critical |
| 302103 | SUSE SLED15 / SLES15 / openSUSE 15 Security Update : MozillaThunderbird (SUSE-SU-2026:0880-1) | Nessus | SuSE Local Security Checks | 3/13/2026 | 3/13/2026 | critical |
| 300765 | Oracle Linux 8 : thunderbird (ELSA-2026-3515) | Nessus | Oracle Linux Local Security Checks | 3/4/2026 | 4/30/2026 | critical |
| 301109 | AlmaLinux 10 : thunderbird (ALSA-2026:3517) | Nessus | Alma Linux Local Security Checks | 3/6/2026 | 3/6/2026 | 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 |
| 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 |
| 299934 | Linux Distros Unpatched Vulnerability : CVE-2026-2757 | Nessus | Misc. | 2/25/2026 | 7/25/2026 | 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 |
| 352859 | AlmaLinux 9.2 [TuxCare] Security Update: thunderbird Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1783970136) | Nessus | Alma Linux Local Security Checks | 9/30/2026 | 9/30/2026 | critical |
| 358714 | Rocky Linux 9 [CIQ] Security Update: thunderbird / thunderbird-debuginfo / thunderbird-debugsource Multiple Vulnerabilities (crlsa-2026_3516) | Nessus | Rocky Linux Local Security Checks | 10/1/2026 | 10/1/2026 | critical |
| 357903 | Rocky Linux 8 [CIQ] Security Update: thunderbird / thunderbird-debuginfo / thunderbird-debugsource Multiple Vulnerabilities (crlsa-2026_3515) | Nessus | Rocky Linux Local Security Checks | 10/1/2026 | 10/1/2026 | critical |
