| 306764 | RHEL 9 : thunderbird (RHSA-2026:8459) | Nessus | Red Hat Local Security Checks | 4/16/2026 | 4/16/2026 | critical |
| 305161 | Mozilla Firefox ESR < 140.9.1 | Nessus | MacOS X Local Security Checks | 4/7/2026 | 4/30/2026 | critical |
| 305198 | Mozilla Thunderbird < 149.0.2 | Nessus | MacOS X Local Security Checks | 4/7/2026 | 4/30/2026 | critical |
| 305656 | Slackware Linux 15.0 / current mozilla-thunderbird Multiple Vulnerabilities (SSA:2026-098-02) | Nessus | Slackware Local Security Checks | 4/9/2026 | 4/30/2026 | critical |
| 306064 | RHEL 9 : firefox (RHSA-2026:7671) | Nessus | Red Hat Local Security Checks | 4/13/2026 | 4/13/2026 | critical |
| 306729 | RockyLinux 8 : firefox (RLSA-2026:8052) | Nessus | Rocky Linux Local Security Checks | 4/16/2026 | 4/16/2026 | critical |
| 306871 | SUSE SLED15: MozillaThunderbird / MozillaThunderbird-translations-common / etc (SUSE-SU-2026:1379-1) | Nessus | SuSE Local Security Checks | 4/17/2026 | 6/26/2026 | critical |
| 307677 | Debian dsa-6202 : firefox-esr - security update | Nessus | Debian Local Security Checks | 4/21/2026 | 4/21/2026 | critical |
| 307683 | MiracleLinux 9 : firefox-140.9.1-1.el9_7.ML.1 (AXSA:2026-469:07) | Nessus | Miracle Linux Local Security Checks | 4/21/2026 | 4/21/2026 | critical |
| 309083 | RHEL 8 : thunderbird (RHSA-2026:9345) | Nessus | Red Hat Local Security Checks | 4/21/2026 | 4/21/2026 | critical |
| 309181 | MiracleLinux 8 : thunderbird-140.9.1-1.el8_10.ML.1 (AXSA:2026-485:09) | Nessus | Miracle Linux Local Security Checks | 4/22/2026 | 4/22/2026 | critical |
| 309207 | Oracle Linux 8 : thunderbird (ELSA-2026-9345) | Nessus | Oracle Linux Local Security Checks | 4/22/2026 | 4/30/2026 | critical |
| 311495 | RHEL 9 : thunderbird (RHSA-2026:12264) | Nessus | Red Hat Local Security Checks | 5/2/2026 | 5/2/2026 | critical |
| 312169 | RHEL 8 : firefox (RHSA-2026:13600) | Nessus | Red Hat Local Security Checks | 5/5/2026 | 5/5/2026 | critical |
| 305255 | Linux Distros Unpatched Vulnerability : CVE-2026-5734 | Nessus | Misc. | 4/7/2026 | 7/25/2026 | critical |
| 305157 | Mozilla Firefox < 149.0.2 | Nessus | MacOS X Local Security Checks | 4/7/2026 | 4/30/2026 | critical |
| 309855 | Oracle Linux 10 : thunderbird (ELSA-2026-9638) | Nessus | Oracle Linux Local Security Checks | 4/23/2026 | 4/30/2026 | critical |
| 305159 | Mozilla Firefox ESR < 140.9.1 | Nessus | Windows | 4/7/2026 | 4/30/2026 | critical |
| 305162 | Mozilla Firefox < 149.0.2 | Nessus | Windows | 4/7/2026 | 4/30/2026 | critical |
| 306165 | Oracle Linux 9 : firefox (ELSA-2026-7671) | Nessus | Oracle Linux Local Security Checks | 4/13/2026 | 4/30/2026 | critical |
| 306537 | RockyLinux 9 : firefox (RLSA-2026:7671) | Nessus | Rocky Linux Local Security Checks | 4/15/2026 | 4/15/2026 | critical |
| 306649 | AlmaLinux 9 : firefox (ALSA-2026:7671) | Nessus | Alma Linux Local Security Checks | 4/16/2026 | 4/16/2026 | critical |
| 306651 | AlmaLinux 8 : firefox (ALSA-2026:8052) | Nessus | Alma Linux Local Security Checks | 4/16/2026 | 4/16/2026 | critical |
| 308172 | MiracleLinux 8 : firefox-140.9.1-1.el8_10.ML.1 (AXSA:2026-480:08) | Nessus | Miracle Linux Local Security Checks | 4/21/2026 | 4/21/2026 | critical |
| 310147 | AlmaLinux 8 : thunderbird (ALSA-2026:9345) | Nessus | Alma Linux Local Security Checks | 4/24/2026 | 4/24/2026 | critical |
| 311142 | Amazon Linux 2 : firefox, --advisory ALAS2FIREFOX-2026-057 (ALASFIREFOX-2026-057) | Nessus | Amazon Linux Local Security Checks | 4/30/2026 | 4/30/2026 | critical |
| 311306 | Amazon Linux 2023 : firefox (ALAS2023-2026-1621) | Nessus | Amazon Linux Local Security Checks | 4/30/2026 | 4/30/2026 | critical |
| 312168 | RHEL 9 : firefox (RHSA-2026:13582) | Nessus | Red Hat Local Security Checks | 5/5/2026 | 5/5/2026 | critical |
| 312178 | RHEL 9 : firefox (RHSA-2026:13583) | Nessus | Red Hat Local Security Checks | 5/5/2026 | 5/5/2026 | critical |
| 312252 | RHEL 10 : firefox (RHSA-2026:13665) | Nessus | Red Hat Local Security Checks | 5/5/2026 | 5/5/2026 | critical |
| 312999 | RHEL 8 : thunderbird (RHSA-2026:14303) | Nessus | Red Hat Local Security Checks | 5/7/2026 | 5/7/2026 | critical |
| 312141 | openSUSE 16 Security Update : MozillaThunderbird (openSUSE-SU-2026:20664-1) | Nessus | SuSE Local Security Checks | 5/5/2026 | 5/5/2026 | critical |
| 305851 | FreeBSD : Mozilla -- Memory safety bugs (33e56419-33fb-11f1-8ac1-b42e991fc52e) | Nessus | FreeBSD Local Security Checks | 4/10/2026 | 4/30/2026 | critical |
| 307018 | Oracle Linux 9 : thunderbird (ELSA-2026-8459) | Nessus | Oracle Linux Local Security Checks | 4/17/2026 | 4/30/2026 | critical |
| 316666 | TencentOS Server 3: firefox (TSSA-2026:0358) | Nessus | Tencent Local Security Checks | 5/26/2026 | 5/26/2026 | critical |
| 311119 | RHEL 8 : firefox (RHSA-2026:11805) | Nessus | Red Hat Local Security Checks | 4/30/2026 | 4/30/2026 | critical |
| 312181 | RHEL 9 : firefox (RHSA-2026:13596) | Nessus | Red Hat Local Security Checks | 5/5/2026 | 5/5/2026 | critical |
| 312998 | RHEL 8 : thunderbird (RHSA-2026:14223) | Nessus | Red Hat Local Security Checks | 5/7/2026 | 5/7/2026 | critical |
| 305655 | Slackware Linux 15.0 / current mozilla-firefox Multiple Vulnerabilities (SSA:2026-098-01) | Nessus | Slackware Local Security Checks | 4/9/2026 | 4/30/2026 | critical |
| 306100 | RHEL 10 : firefox (RHSA-2026:7672) | Nessus | Red Hat Local Security Checks | 4/13/2026 | 4/13/2026 | critical |
| 306164 | Oracle Linux 10 : firefox (ELSA-2026-7672) | Nessus | Oracle Linux Local Security Checks | 4/13/2026 | 4/30/2026 | critical |
| 306534 | RockyLinux 10 : firefox (RLSA-2026:7672) | Nessus | Rocky Linux Local Security Checks | 4/15/2026 | 4/15/2026 | critical |
| 307621 | Debian dla-4534 : thunderbird - security update | Nessus | Debian Local Security Checks | 4/20/2026 | 4/30/2026 | critical |
| 309656 | RHEL 10 : thunderbird (RHSA-2026:9638) | Nessus | Red Hat Local Security Checks | 4/22/2026 | 4/22/2026 | critical |
| 309903 | RockyLinux 8 : thunderbird (RLSA-2026:9345) | Nessus | Rocky Linux Local Security Checks | 4/23/2026 | 4/23/2026 | critical |
| 310119 | RockyLinux 10 : thunderbird (RLSA-2026:9638) | Nessus | Rocky Linux Local Security Checks | 4/24/2026 | 4/24/2026 | critical |
| 306469 | Oracle Linux 8 : firefox (ELSA-2026-8052) | Nessus | Oracle Linux Local Security Checks | 4/14/2026 | 4/30/2026 | critical |
| 313738 | RHEL 8 : thunderbird (RHSA-2026:15889) | Nessus | Red Hat Local Security Checks | 5/11/2026 | 5/11/2026 | critical |
| 305199 | Mozilla Thunderbird < 140.9.1 | Nessus | Windows | 4/7/2026 | 4/30/2026 | critical |
| 306364 | RHEL 8 : firefox (RHSA-2026:8052) | Nessus | Red Hat Local Security Checks | 4/14/2026 | 4/14/2026 | critical |
