| 315323 | Mozilla Firefox < 151.0 | Nessus | Windows | 5/19/2026 | 5/27/2026 | critical |
| 315325 | Mozilla Firefox ESR < 140.11 | Nessus | Windows | 5/19/2026 | 7/22/2026 | critical |
| 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 |
| 315967 | Fedora 43 : firefox / nss (2026-cd20332935) | Nessus | Fedora Local Security Checks | 5/20/2026 | 5/22/2026 | critical |
| 316628 | Fedora 42 : firefox / nss (2026-7f6ee801e2) | Nessus | Fedora Local Security Checks | 5/25/2026 | 5/25/2026 | critical |
| 316857 | openSUSE 16 Security Update : MozillaFirefox (openSUSE-SU-2026:20789-1) | Nessus | SuSE Local Security Checks | 5/27/2026 | 5/27/2026 | critical |
| 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 |
| 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 |
| 321330 | RHEL 9 : firefox (RHSA-2026:26491) | Nessus | Red Hat Local Security Checks | 6/17/2026 | 6/17/2026 | critical |
| 321940 | RHEL 10 : firefox (RHSA-2026:27715) | Nessus | Red Hat Local Security Checks | 6/22/2026 | 6/22/2026 | 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 |
| 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 |
| 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 |
| 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 |
| 317490 | RockyLinux 8 : firefox (RLSA-2026:21382) | Nessus | Rocky Linux Local Security Checks | 5/29/2026 | 5/29/2026 | 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 |
| 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 |
| 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 |
| 328368 | Oracle Linux 10 : firefox (ELSA-2026-21380) | Nessus | Oracle Linux Local Security Checks | 7/20/2026 | 7/20/2026 | critical |
| 315533 | Linux Distros Unpatched Vulnerability : CVE-2026-8957 | Nessus | Misc. | 5/19/2026 | 7/25/2026 | high |
| 315326 | Mozilla Firefox ESR < 140.11 | Nessus | MacOS X Local Security Checks | 5/19/2026 | 7/22/2026 | critical |
| 317935 | AlmaLinux 9 : thunderbird (ALSA-2026:21381) | Nessus | Alma Linux Local Security Checks | 5/29/2026 | 5/29/2026 | critical |
| 318318 | AlmaLinux 9 : firefox (ALSA-2026:21378) | Nessus | Alma Linux Local Security Checks | 6/3/2026 | 6/3/2026 | critical |
| 319588 | RHEL 8 : thunderbird (RHSA-2026:22643) | Nessus | Red Hat Local Security Checks | 6/6/2026 | 6/6/2026 | critical |
| 321168 | RHEL 9 : thunderbird (RHSA-2026:26269) | Nessus | Red Hat Local Security Checks | 6/16/2026 | 6/16/2026 | critical |
| 321360 | RHEL 9 : firefox (RHSA-2026:26492) | Nessus | Red Hat Local Security Checks | 6/17/2026 | 6/17/2026 | critical |
| 321554 | RHEL 8 : thunderbird (RHSA-2026:26536) | Nessus | Red Hat Local Security Checks | 6/19/2026 | 6/19/2026 | critical |
| 322564 | Oracle Linux 9 : thunderbird (ELSA-2026-21381) | Nessus | Oracle Linux Local Security Checks | 6/24/2026 | 6/24/2026 | critical |
| 328691 | MiracleLinux 9 : firefox-140.11.0-1.el9_8.ML.1 (AXSA:2026-1314:17) | Nessus | Miracle Linux Local Security Checks | 7/21/2026 | 7/21/2026 | critical |
| 315434 | Mozilla Thunderbird < 151.0 | Nessus | MacOS X Local Security Checks | 5/19/2026 | 7/22/2026 | critical |
| 315985 | Fedora 44 : firefox (2026-f3409cf313) | Nessus | Fedora Local Security Checks | 5/20/2026 | 5/22/2026 | 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 |
| 318037 | RockyLinux 9 : thunderbird (RLSA-2026:21381) | Nessus | Rocky Linux Local Security Checks | 5/30/2026 | 5/30/2026 | critical |
| 318044 | RockyLinux 9 : firefox (RLSA-2026:21378) | Nessus | Rocky Linux Local Security Checks | 5/30/2026 | 5/30/2026 | critical |
| 318094 | SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2026:2109-1) | Nessus | SuSE Local Security Checks | 6/1/2026 | 6/1/2026 | critical |
| 318401 | AlmaLinux 8 : thunderbird (ALSA-2026:22643) | Nessus | Alma Linux Local Security Checks | 6/3/2026 | 6/3/2026 | critical |
| 318827 | RockyLinux 10 : thunderbird (RLSA-2026:22325) | Nessus | Rocky Linux Local Security Checks | 6/5/2026 | 6/5/2026 | critical |
| 319594 | RockyLinux 8 : thunderbird (RLSA-2026:22643) | Nessus | Rocky Linux Local Security Checks | 6/6/2026 | 6/6/2026 | critical |
