| 321252 | RHEL 9 : thunderbird (RHSA-2026:26174) | Nessus | Red Hat Local Security Checks | 6/16/2026 | 6/16/2026 | critical |
| 321264 | RHEL 8 : thunderbird (RHSA-2026:26268) | Nessus | Red Hat Local Security Checks | 6/16/2026 | 6/16/2026 | critical |
| 321321 | RHEL 9 : firefox (RHSA-2026:26493) | Nessus | Red Hat Local Security Checks | 6/17/2026 | 6/17/2026 | critical |
| 321485 | RHEL 8 : firefox (RHSA-2026:26629) | Nessus | Red Hat Local Security Checks | 6/18/2026 | 6/18/2026 | critical |
| 321568 | RHEL 7 : firefox (RHSA-2026:26551) | Nessus | Red Hat Local Security Checks | 6/20/2026 | 6/20/2026 | critical |
| 315522 | Slackware Linux 15.0 / current mozilla-firefox Multiple Vulnerabilities (SSA:2026-139-02) | Nessus | Slackware Local Security Checks | 5/19/2026 | 5/22/2026 | critical |
| 319829 | Amazon Linux 2 : thunderbird, --advisory ALAS2-2026-3340 (ALAS-2026-3340) | Nessus | Amazon Linux Local Security Checks | 6/8/2026 | 6/8/2026 | critical |
| 328368 | Oracle Linux 10 : firefox (ELSA-2026-21380) | Nessus | Oracle Linux Local Security Checks | 7/20/2026 | 7/20/2026 | critical |
| 315431 | Mozilla Thunderbird < 140.11 | Nessus | MacOS X Local Security Checks | 5/19/2026 | 7/22/2026 | critical |
| 315432 | Mozilla Thunderbird < 151.0 | Nessus | Windows | 5/19/2026 | 7/22/2026 | critical |
| 315433 | Mozilla Thunderbird < 140.11 | Nessus | Windows | 5/19/2026 | 7/22/2026 | critical |
| 315940 | Debian dla-4592 : firefox-esr - security update | Nessus | Debian Local Security Checks | 5/20/2026 | 5/22/2026 | critical |
| 315943 | Debian dsa-6283 : firefox-esr - security update | Nessus | Debian Local Security Checks | 5/20/2026 | 5/22/2026 | critical |
| 317375 | RHEL 9 : firefox (RHSA-2026:21378) | Nessus | Red Hat Local Security Checks | 5/28/2026 | 5/28/2026 | critical |
| 321170 | RHEL 8 : thunderbird (RHSA-2026:26270) | Nessus | Red Hat Local Security Checks | 6/16/2026 | 6/16/2026 | critical |
| 321356 | RHEL 9 : thunderbird (RHSA-2026:26521) | Nessus | Red Hat Local Security Checks | 6/17/2026 | 6/17/2026 | critical |
| 321357 | RHEL 10 : thunderbird (RHSA-2026:26539) | Nessus | Red Hat Local Security Checks | 6/17/2026 | 6/17/2026 | critical |
| 321497 | RHEL 8 : firefox (RHSA-2026:26630) | Nessus | Red Hat Local Security Checks | 6/18/2026 | 6/18/2026 | critical |
| 319892 | MiracleLinux 8 : firefox-140.11.0-1.el8_10.ML.1 (AXSA:2026-764:13) | Nessus | Miracle Linux Local Security Checks | 6/8/2026 | 6/9/2026 | critical |
| 317490 | RockyLinux 8 : firefox (RLSA-2026:21382) | Nessus | Rocky Linux Local Security Checks | 5/29/2026 | 5/29/2026 | critical |
