| 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 |
| 313744 | RHEL 9 : thunderbird (RHSA-2026:15892) | Nessus | Red Hat Local Security Checks | 5/11/2026 | 5/11/2026 | critical |
| 314564 | Amazon Linux 2 : thunderbird, --advisory ALAS2-2026-3290 (ALAS-2026-3290) | Nessus | Amazon Linux Local Security Checks | 5/14/2026 | 5/14/2026 | medium |
| 314752 | RHEL 10 : firefox (RHSA-2026:17690) | Nessus | Red Hat Local Security Checks | 5/14/2026 | 5/14/2026 | 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 |
| 315631 | Amazon Linux 2023 : firefox (ALAS2023-2026-1652) | Nessus | Amazon Linux Local Security Checks | 5/20/2026 | 5/20/2026 | medium |
| 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 |
| 309101 | Mozilla Thunderbird < 140.10 | Nessus | MacOS X Local Security Checks | 4/21/2026 | 5/1/2026 | critical |
| 310077 | Fedora 44 : firefox / nss (2026-fb08ad61f2) | Nessus | Fedora Local Security Checks | 4/24/2026 | 5/8/2026 | medium |
| 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 |
| 310573 | Fedora 42 : firefox / nss (2026-69538c9f7e) | Nessus | Fedora Local Security Checks | 4/28/2026 | 5/13/2026 | medium |
| 310663 | Oracle Linux 10 : firefox (ELSA-2026-10767) | Nessus | Oracle Linux Local Security Checks | 4/28/2026 | 5/8/2026 | critical |
| 307896 | Mozilla Firefox ESR < 115.35 | Nessus | MacOS X Local Security Checks | 4/21/2026 | 4/21/2026 | critical |
| 311054 | FreeBSD : Mozilla -- Memory safety bugs (6c9ca7e3-430a-11f1-a627-b42e991fc52e) | Nessus | FreeBSD Local Security Checks | 4/29/2026 | 5/8/2026 | high |
| 307899 | Mozilla Firefox < 150.0 | Nessus | Windows | 4/21/2026 | 5/8/2026 | medium |
| 309199 | Debian dsa-6225 : firefox-esr - security update | Nessus | Debian Local Security Checks | 4/22/2026 | 5/1/2026 | critical |
| 310182 | Debian dsa-6229 : thunderbird - security update | Nessus | Debian Local Security Checks | 4/24/2026 | 4/30/2026 | critical |
| 310553 | RHEL 9 : firefox (RHSA-2026:10757) | Nessus | Red Hat Local Security Checks | 4/27/2026 | 4/30/2026 | critical |
| 310711 | RockyLinux 10 : firefox (RLSA-2026:10767) | Nessus | Rocky Linux Local Security Checks | 4/28/2026 | 4/30/2026 | critical |
| 311500 | RHEL 10 : thunderbird (RHSA-2026:12285) | Nessus | Red Hat Local Security Checks | 5/2/2026 | 5/2/2026 | critical |
| 311543 | Oracle Linux 10 : thunderbird (ELSA-2026-12285) | Nessus | Oracle Linux Local Security Checks | 5/2/2026 | 5/2/2026 | 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 |
| 315562 | RHEL 9 : thunderbird (RHSA-2026:19468) | 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 |
| 315726 | RHEL 9 : thunderbird (RHSA-2026:19469) | Nessus | Red Hat Local Security Checks | 5/20/2026 | 5/20/2026 | critical |
| 314278 | Oracle Linux 9 : thunderbird (ELSA-2026-15892) | Nessus | Oracle Linux Local Security Checks | 5/11/2026 | 5/11/2026 | critical |
| 316704 | TencentOS Server 3: thunderbird (TSSA-2026:0381) | Nessus | Tencent Local Security Checks | 5/26/2026 | 5/26/2026 | critical |
