| 310802 | Mozilla Firefox ESR < 140.10.1 | Nessus | Windows | 4/29/2026 | 5/13/2026 | critical |
| 310918 | Linux Distros Unpatched Vulnerability : CVE-2026-7321 | Nessus | Misc. | 4/29/2026 | 5/27/2026 | critical |
| 312241 | Fedora 43 : firefox / nss (2026-c0a4f03150) | Nessus | Fedora Local Security Checks | 5/5/2026 | 5/13/2026 | medium |
| 313689 | SUSE SLED15 / SLES15 Security Update : MozillaThunderbird (SUSE-SU-2026:1741-1) | Nessus | SuSE Local Security Checks | 5/10/2026 | 5/10/2026 | critical |
| 314586 | Amazon Linux 2 : thunderbird, --advisory ALAS2-2026-3295 (ALAS-2026-3295) | Nessus | Amazon Linux Local Security Checks | 5/14/2026 | 5/14/2026 | critical |
| 311287 | Mozilla Thunderbird < 140.10.1 | Nessus | MacOS X Local Security Checks | 4/30/2026 | 5/13/2026 | critical |
| 311546 | Debian dsa-6242 : thunderbird - security update | Nessus | Debian Local Security Checks | 5/2/2026 | 5/8/2026 | critical |
| 316378 | AlmaLinux 8 : firefox (ALSA-2026:19588) | Nessus | Alma Linux Local Security Checks | 5/22/2026 | 5/22/2026 | critical |
| 316541 | RockyLinux 8 : firefox (RLSA-2026:19588) | Nessus | Rocky Linux Local Security Checks | 5/25/2026 | 5/25/2026 | critical |
| 315403 | RHEL 10 : thunderbird (RHSA-2026:19153) | Nessus | Red Hat Local Security Checks | 5/19/2026 | 5/19/2026 | critical |
| 309098 | Mozilla Thunderbird < 150.0 | Nessus | MacOS X Local Security Checks | 4/21/2026 | 5/7/2026 | medium |
| 310800 | Mozilla Firefox ESR < 140.10.1 | Nessus | MacOS X Local Security Checks | 4/29/2026 | 5/13/2026 | critical |
| 311063 | FreeBSD : Mozilla -- Sandbox escape (98c23e2b-43c7-11f1-a190-b42e991fc52e) | Nessus | FreeBSD Local Security Checks | 4/29/2026 | 4/29/2026 | critical |
| 313628 | openSUSE 16 Security Update : MozillaFirefox (openSUSE-SU-2026:20667-1) | Nessus | SuSE Local Security Checks | 5/10/2026 | 5/10/2026 | critical |
| 307895 | Mozilla Firefox < 150.0 | Nessus | MacOS X Local Security Checks | 4/21/2026 | 5/8/2026 | medium |
| 315044 | SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2026:1829-1) | Nessus | SuSE Local Security Checks | 5/16/2026 | 5/16/2026 | critical |
| 315512 | RHEL 10 : firefox (RHSA-2026:19157) | Nessus | Red Hat Local Security Checks | 5/19/2026 | 5/19/2026 | critical |
| 315926 | RHEL 8 : firefox (RHSA-2026:19588) | Nessus | Red Hat Local Security Checks | 5/20/2026 | 5/20/2026 | critical |
| 311544 | Slackware Linux 15.0 / current mozilla-firefox Multiple Vulnerabilities (SSA:2026-121-01) | Nessus | Slackware Local Security Checks | 5/2/2026 | 5/2/2026 | critical |
| 311804 | Slackware Linux 15.0 / current mozilla-thunderbird Multiple Vulnerabilities (SSA:2026-122-03) | Nessus | Slackware Local Security Checks | 5/3/2026 | 5/8/2026 | critical |
| 316816 | RHEL 8 : thunderbird (RHSA-2026:20586) | Nessus | Red Hat Local Security Checks | 5/26/2026 | 5/26/2026 | critical |
| 311181 | Debian dla-4555 : firefox-esr - security update | Nessus | Debian Local Security Checks | 4/30/2026 | 4/30/2026 | critical |
| 311286 | Mozilla Thunderbird < 140.10.1 | Nessus | Windows | 4/30/2026 | 5/13/2026 | critical |
| 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 |
| 315046 | SUSE SLES12 Security Update : MozillaFirefox (SUSE-SU-2026:1830-1) | Nessus | SuSE Local Security Checks | 5/16/2026 | 5/16/2026 | critical |
| 315555 | RHEL 9 : firefox (RHSA-2026:19370) | Nessus | Red Hat Local Security Checks | 5/20/2026 | 5/20/2026 | critical |
| 315584 | RHEL 9 : thunderbird (RHSA-2026:19348) | Nessus | Red Hat Local Security Checks | 5/20/2026 | 5/20/2026 | critical |
| 307899 | Mozilla Firefox < 150.0 | Nessus | Windows | 4/21/2026 | 5/8/2026 | medium |
| 311845 | Debian dla-4562 : thunderbird - security update | Nessus | Debian Local Security Checks | 5/4/2026 | 5/8/2026 | critical |
| 316655 | Oracle Linux 8 : firefox (ELSA-2026-19588) | Nessus | Oracle Linux Local Security Checks | 5/25/2026 | 5/25/2026 | critical |
| 316891 | AlmaLinux 8 : thunderbird (ALSA-2026:20586) | Nessus | Alma Linux Local Security Checks | 5/27/2026 | 5/27/2026 | critical |
| 309100 | Mozilla Thunderbird < 150.0 | Nessus | Windows | 4/21/2026 | 5/7/2026 | medium |
| 315631 | Amazon Linux 2023 : firefox (ALAS2023-2026-1652) | Nessus | Amazon Linux Local Security Checks | 5/20/2026 | 5/20/2026 | medium |
| 310077 | Fedora 44 : firefox / nss (2026-fb08ad61f2) | Nessus | Fedora Local Security Checks | 4/24/2026 | 5/8/2026 | medium |
| 310573 | Fedora 42 : firefox / nss (2026-69538c9f7e) | Nessus | Fedora Local Security Checks | 4/28/2026 | 5/13/2026 | medium |
| 311092 | Debian dsa-6236 : firefox-esr - security update | Nessus | Debian Local Security Checks | 4/30/2026 | 4/30/2026 | critical |
