| 309101 | Mozilla Thunderbird < 140.10 | Nessus | MacOS X Local Security Checks | 4/21/2026 | 5/1/2026 | critical |
| 309877 | Linux Distros Unpatched Vulnerability : CVE-2026-6759 | Nessus | Misc. | 4/23/2026 | 7/25/2026 | high |
| 310550 | RHEL 10 : firefox (RHSA-2026:10767) | Nessus | Red Hat Local Security Checks | 4/27/2026 | 4/30/2026 | critical |
| 311049 | FreeBSD : Mozilla -- Use-after-free (6cc5536b-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 |
| 337003 | Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: thunderbird (UTSA-2026-101136) | Nessus | Unity Linux Local Security Checks | 8/17/2026 | 8/17/2026 | high |
| 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 |
| 313744 | RHEL 9 : thunderbird (RHSA-2026:15892) | Nessus | Red Hat Local Security Checks | 5/11/2026 | 5/11/2026 | critical |
| 314513 | TencentOS Server 4: firefox (TSSA-2026:0292) | Nessus | Tencent Local Security Checks | 5/14/2026 | 5/14/2026 | critical |
| 314752 | RHEL 10 : firefox (RHSA-2026:17690) | Nessus | Red Hat Local Security Checks | 5/14/2026 | 5/14/2026 | critical |
| 309100 | Mozilla Thunderbird < 150.0 | Nessus | Windows | 4/21/2026 | 5/7/2026 | 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 |
| 326294 | MiracleLinux 9 : thunderbird-140.10.1-1.el9_8.ML.1 (AXSA:2026-1236:15) | Nessus | Miracle Linux Local Security Checks | 7/10/2026 | 7/10/2026 | critical |
| 310663 | Oracle Linux 10 : firefox (ELSA-2026-10767) | Nessus | Oracle Linux Local Security Checks | 4/28/2026 | 10/27/2026 | critical |
| 310731 | Oracle Linux 8 : firefox (ELSA-2026-10766) | Nessus | Oracle Linux Local Security Checks | 4/28/2026 | 10/27/2026 | critical |
| 321178 | Oracle Linux 7 : firefox (ELSA-2026-19704) | Nessus | Oracle Linux Local Security Checks | 6/16/2026 | 10/27/2026 | critical |
