| 310539 | Fedora 44 : thunderbird (2026-1902c187b6) | Nessus | Fedora Local Security Checks | 4/27/2026 | 4/27/2026 | critical |
| 306855 | Fedora 42 : thunderbird (2026-db2b4e5b64) | Nessus | Fedora Local Security Checks | 4/16/2026 | 4/30/2026 | critical |
| 305158 | Mozilla Firefox ESR < 115.34.1 | Nessus | Windows | 4/7/2026 | 4/30/2026 | critical |
| 309113 | MiracleLinux 9 : thunderbird-140.9.1-1.el9_7.ML.1 (AXSA:2026-483:08) | Nessus | Miracle Linux Local Security Checks | 4/22/2026 | 4/22/2026 | critical |
| 311844 | RHEL 9 : thunderbird (RHSA-2026:13412) | Nessus | Red Hat Local Security Checks | 5/4/2026 | 5/4/2026 | critical |
| 313738 | RHEL 8 : thunderbird (RHSA-2026:15889) | Nessus | Red Hat Local Security Checks | 5/11/2026 | 5/11/2026 | critical |
| 306364 | RHEL 8 : firefox (RHSA-2026:8052) | Nessus | Red Hat Local Security Checks | 4/14/2026 | 4/14/2026 | critical |
| 306469 | Oracle Linux 8 : firefox (ELSA-2026-8052) | Nessus | Oracle Linux Local Security Checks | 4/14/2026 | 4/30/2026 | critical |
| 306552 | AlmaLinux 10 : firefox (ALSA-2026:7672) | Nessus | Alma Linux Local Security Checks | 4/15/2026 | 4/15/2026 | critical |
| 307479 | RockyLinux 9 : thunderbird (RLSA-2026:8459) | Nessus | Rocky Linux Local Security Checks | 4/18/2026 | 4/18/2026 | critical |
| 312396 | RHEL 7 : firefox (RHSA-2026:13977) | Nessus | Red Hat Local Security Checks | 5/6/2026 | 5/6/2026 | 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 |
| 307621 | Debian dla-4534 : thunderbird - security update | Nessus | Debian Local Security Checks | 4/20/2026 | 4/30/2026 | critical |
| 305160 | Mozilla Firefox ESR < 115.34.1 | Nessus | MacOS X Local Security Checks | 4/7/2026 | 4/30/2026 | critical |
| 307385 | FreeBSD : Mozilla -- Memory safety bugs (6ae8f9e5-3a26-11f1-b60b-b42e991fc52e) | Nessus | FreeBSD Local Security Checks | 4/17/2026 | 4/30/2026 | critical |
| 312181 | RHEL 9 : firefox (RHSA-2026:13596) | Nessus | Red Hat Local Security Checks | 5/5/2026 | 5/5/2026 | critical |
| 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 |
| 316666 | TencentOS Server 3: firefox (TSSA-2026:0358) | Nessus | Tencent Local Security Checks | 5/26/2026 | 5/26/2026 | critical |
| 312998 | RHEL 8 : thunderbird (RHSA-2026:14223) | Nessus | Red Hat Local Security Checks | 5/7/2026 | 5/7/2026 | 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 |
| 307018 | Oracle Linux 9 : thunderbird (ELSA-2026-8459) | Nessus | Oracle Linux Local Security Checks | 4/17/2026 | 4/30/2026 | critical |
| 310119 | RockyLinux 10 : thunderbird (RLSA-2026:9638) | Nessus | Rocky Linux Local Security Checks | 4/24/2026 | 4/24/2026 | critical |
| 311119 | RHEL 8 : firefox (RHSA-2026:11805) | Nessus | Red Hat Local Security Checks | 4/30/2026 | 4/30/2026 | critical |
