| 307899 | Mozilla Firefox < 150.0 | Nessus | Windows | 4/21/2026 | 5/8/2026 | medium |
| 314585 | Amazon Linux 2 : firefox, --advisory ALAS2FIREFOX-2026-058 (ALASFIREFOX-2026-058) | Nessus | Amazon Linux Local Security Checks | 5/14/2026 | 5/14/2026 | medium |
| 315584 | RHEL 9 : thunderbird (RHSA-2026:19348) | Nessus | Red Hat Local Security Checks | 5/20/2026 | 5/20/2026 | critical |
| 353651 | Rocky Linux 9 [CIQ] Security Update: thunderbird / thunderbird-debuginfo / thunderbird-debugsource Multiple Vulnerabilities (crlsa-2026_19348) | Nessus | Rocky Linux Local Security Checks | 10/1/2026 | 10/1/2026 | critical |
| 314278 | Oracle Linux 9 : thunderbird (ELSA-2026-15892) | Nessus | Oracle Linux Local Security Checks | 5/11/2026 | 10/27/2026 | critical |
| 328014 | Oracle Linux 10 : thunderbird (ELSA-2026-19131) | Nessus | Oracle Linux Local Security Checks | 7/20/2026 | 10/29/2026 | critical |
| 307894 | Mozilla Firefox ESR < 140.10 | Nessus | Windows | 4/21/2026 | 5/1/2026 | critical |
| 309144 | Slackware Linux 15.0 / current mozilla-firefox Multiple Vulnerabilities (SSA:2026-111-02) | Nessus | Slackware Local Security Checks | 4/22/2026 | 5/1/2026 | critical |
| 310970 | AlmaLinux 8 : firefox (ALSA-2026:10766) | Nessus | Alma Linux Local Security Checks | 4/29/2026 | 4/29/2026 | critical |
| 312141 | openSUSE 16 Security Update : MozillaThunderbird (openSUSE-SU-2026:20664-1) | Nessus | SuSE Local Security Checks | 5/5/2026 | 5/5/2026 | critical |
| 312844 | MiracleLinux 8 : firefox-140.10.0-1.el8_10.ML.1 (AXSA:2026-549:09) | Nessus | Miracle Linux Local Security Checks | 5/7/2026 | 5/8/2026 | critical |
| 314444 | AlmaLinux 9 : thunderbird (ALSA-2026:15892) | Nessus | Alma Linux Local Security Checks | 5/13/2026 | 5/13/2026 | critical |
| 314758 | RHEL 9 : firefox (RHSA-2026:17687) | Nessus | Red Hat Local Security Checks | 5/14/2026 | 5/14/2026 | critical |
| 315550 | RHEL 8 : thunderbird (RHSA-2026:19467) | Nessus | Red Hat Local Security Checks | 5/20/2026 | 5/20/2026 | critical |
| 315732 | RHEL 9 : thunderbird (RHSA-2026:19461) | Nessus | Red Hat Local Security Checks | 5/20/2026 | 5/20/2026 | critical |
| 311083 | AlmaLinux 10 : firefox (ALSA-2026:10767) | Nessus | Alma Linux Local Security Checks | 4/30/2026 | 4/30/2026 | critical |
| 313689 | SUSE SLED15 / SLES15 Security Update : MozillaThunderbird (SUSE-SU-2026:1741-1) | Nessus | SuSE Local Security Checks | 5/10/2026 | 5/10/2026 | critical |
| 317430 | RockyLinux 9 : thunderbird (RLSA-2026:19348) | Nessus | Rocky Linux Local Security Checks | 5/28/2026 | 6/4/2026 | critical |
| 312241 | Fedora 43 : firefox / nss (2026-c0a4f03150) | Nessus | Fedora Local Security Checks | 5/5/2026 | 5/13/2026 | medium |
| 353744 | Rocky Linux 10.1 [CIQ] Security Update: firefox / firefox-debuginfo / firefox-debugsource Multiple Vulnerabilities (crlsa-2026_10767) | Nessus | Rocky Linux Local Security Checks | 10/1/2026 | 10/1/2026 | critical |
| 354391 | Rocky Linux 8 [CIQ] Security Update: firefox / firefox-debuginfo / firefox-debugsource Multiple Vulnerabilities (crlsa-2026_10766) | Nessus | Rocky Linux Local Security Checks | 10/1/2026 | 10/1/2026 | critical |
| 336526 | Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: thunderbird (UTSA-2026-101363) | Nessus | Unity Linux Local Security Checks | 8/17/2026 | 8/17/2026 | high |
| 307895 | Mozilla Firefox < 150.0 | Nessus | MacOS X Local Security Checks | 4/21/2026 | 5/8/2026 | medium |
| 309098 | Mozilla Thunderbird < 150.0 | Nessus | MacOS X Local Security Checks | 4/21/2026 | 5/7/2026 | medium |
| 323108 | Oracle Linux 9 : thunderbird (ELSA-2026-19348) | Nessus | Oracle Linux Local Security Checks | 6/26/2026 | 6/26/2026 | critical |
| 310549 | RHEL 8 : firefox (RHSA-2026:10766) | Nessus | Red Hat Local Security Checks | 4/27/2026 | 4/30/2026 | critical |
| 310712 | RockyLinux 9 : firefox (RLSA-2026:10757) | Nessus | Rocky Linux Local Security Checks | 4/28/2026 | 4/30/2026 | critical |
| 314645 | RHEL 8 : firefox (RHSA-2026:17477) | Nessus | Red Hat Local Security Checks | 5/14/2026 | 5/14/2026 | critical |
| 314753 | RHEL 9 : firefox (RHSA-2026:17688) | Nessus | Red Hat Local Security Checks | 5/14/2026 | 5/14/2026 | critical |
| 314901 | MiracleLinux 9 : thunderbird-140.10.0-1.el9_7.ML.1 (AXSA:2026-616:11) | Nessus | Miracle Linux Local Security Checks | 5/15/2026 | 5/15/2026 | critical |
| 307897 | Mozilla Firefox ESR < 140.10 | Nessus | MacOS X Local Security Checks | 4/21/2026 | 5/1/2026 | critical |
| 307898 | Mozilla Firefox ESR < 115.35 | Nessus | Windows | 4/21/2026 | 4/21/2026 | critical |
| 309901 | Debian dla-4546 : firefox-esr - security update | Nessus | Debian Local Security Checks | 4/23/2026 | 5/1/2026 | critical |
| 315513 | RHEL 10 : thunderbird (RHSA-2026:19131) | Nessus | Red Hat Local Security Checks | 5/19/2026 | 5/19/2026 | critical |
| 315602 | RHEL 9 : firefox (RHSA-2026:17689) | Nessus | Red Hat Local Security Checks | 5/20/2026 | 5/20/2026 | critical |
| 315722 | RHEL 10 : thunderbird (RHSA-2026:19463) | Nessus | Red Hat Local Security Checks | 5/20/2026 | 5/20/2026 | critical |
| 354889 | Rocky Linux 9 [CIQ] Security Update: firefox / firefox-debuginfo / firefox-debugsource / firefox-x11 Multiple Vulnerabilities (crlsa-2026_19201) | Nessus | Rocky Linux Local Security Checks | 10/1/2026 | 10/1/2026 | critical |
| 309070 | Linux Distros Unpatched Vulnerability : CVE-2026-6752 | Nessus | Misc. | 4/21/2026 | 7/25/2026 | high |
| 309101 | Mozilla Thunderbird < 140.10 | Nessus | MacOS X Local Security Checks | 4/21/2026 | 5/1/2026 | critical |
| 310350 | Debian dla-4549 : thunderbird - security update | Nessus | Debian Local Security Checks | 4/26/2026 | 4/30/2026 | critical |
| 310550 | RHEL 10 : firefox (RHSA-2026:10767) | Nessus | Red Hat Local Security Checks | 4/27/2026 | 4/30/2026 | critical |
| 311033 | FreeBSD : Mozilla -- Incorrect boundary conditions (58b5fb4b-4305-11f1-a627-b42e991fc52e) | Nessus | FreeBSD Local Security Checks | 4/29/2026 | 5/8/2026 | high |
| 311072 | AlmaLinux 9 : firefox (ALSA-2026:10757) | Nessus | Alma Linux Local Security Checks | 4/30/2026 | 4/30/2026 | critical |
| 311280 | RockyLinux 8 : firefox (RLSA-2026:10766) | Nessus | Rocky Linux Local Security Checks | 4/30/2026 | 4/30/2026 | critical |
| 311817 | AlmaLinux 10 : thunderbird (ALSA-2026:12285) | Nessus | Alma Linux Local Security Checks | 5/3/2026 | 5/3/2026 | critical |
| 312266 | AlmaLinux 8 : thunderbird (ALSA-2026:13537) | Nessus | Alma Linux Local Security Checks | 5/5/2026 | 5/5/2026 | critical |
| 315457 | RHEL 9 : firefox (RHSA-2026:19201) | Nessus | Red Hat Local Security Checks | 5/19/2026 | 5/19/2026 | critical |
| 315586 | RHEL 9 : firefox (RHSA-2026:19464) | Nessus | Red Hat Local Security Checks | 5/20/2026 | 5/20/2026 | critical |
| 315721 | RHEL 8 : firefox (RHSA-2026:19542) | Nessus | Red Hat Local Security Checks | 5/20/2026 | 5/20/2026 | critical |
| 315932 | RHEL 8 : firefox (RHSA-2026:19655) | Nessus | Red Hat Local Security Checks | 5/20/2026 | 5/20/2026 | critical |
