| 315611 | Fedora 43 : firefox (2026-4542b2d7aa) | Nessus | Fedora Local Security Checks | 5/20/2026 | 5/20/2026 | critical |
| 316766 | SUSE SLES12 Security Update : MozillaFirefox (SUSE-SU-2026:2039-1) | Nessus | SuSE Local Security Checks | 5/26/2026 | 5/26/2026 | critical |
| 317102 | RHEL 9 : thunderbird (RHSA-2026:21381) | Nessus | Red Hat Local Security Checks | 5/27/2026 | 5/27/2026 | critical |
| 317103 | RHEL 8 : firefox (RHSA-2026:21382) | Nessus | Red Hat Local Security Checks | 5/27/2026 | 5/27/2026 | critical |
| 314664 | Linux Distros Unpatched Vulnerability : CVE-2026-8391 | Nessus | Misc. | 5/14/2026 | 7/25/2026 | high |
| 315520 | Slackware Linux 15.0 / current mozilla-thunderbird Multiple Vulnerabilities (SSA:2026-139-03) | Nessus | Slackware Local Security Checks | 5/19/2026 | 5/22/2026 | critical |
| 318603 | Oracle Linux 8 : thunderbird (ELSA-2026-22643) | Nessus | Oracle Linux Local Security Checks | 6/4/2026 | 6/4/2026 | critical |
| 318638 | RockyLinux 10 : firefox (RLSA-2026:21380) | Nessus | Rocky Linux Local Security Checks | 6/4/2026 | 6/4/2026 | critical |
| 319498 | RHEL 10 : thunderbird (RHSA-2026:22325) | Nessus | Red Hat Local Security Checks | 6/6/2026 | 6/6/2026 | critical |
| 321940 | RHEL 10 : firefox (RHSA-2026:27715) | Nessus | Red Hat Local Security Checks | 6/22/2026 | 6/22/2026 | critical |
| 321330 | RHEL 9 : firefox (RHSA-2026:26491) | Nessus | Red Hat Local Security Checks | 6/17/2026 | 6/17/2026 | critical |
| 314530 | Fedora 44 : firefox (2026-67917a57a3) | Nessus | Fedora Local Security Checks | 5/14/2026 | 5/15/2026 | critical |
| 315325 | Mozilla Firefox ESR < 140.11 | Nessus | Windows | 5/19/2026 | 7/22/2026 | critical |
| 317447 | Oracle Linux 8 : firefox (ELSA-2026-21382) | Nessus | Oracle Linux Local Security Checks | 5/28/2026 | 5/28/2026 | critical |
| 317937 | AlmaLinux 10 : firefox (ALSA-2026:21380) | Nessus | Alma Linux Local Security Checks | 5/29/2026 | 5/29/2026 | critical |
| 316857 | openSUSE 16 Security Update : MozillaFirefox (openSUSE-SU-2026:20789-1) | Nessus | SuSE Local Security Checks | 5/27/2026 | 5/27/2026 | critical |
| 328453 | MiracleLinux 9 : thunderbird-140.11.0-1.el9_8.ML.1 (AXSA:2026-1278:16) | Nessus | Miracle Linux Local Security Checks | 7/20/2026 | 7/20/2026 | critical |
