| 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 |
| 307625 | Debian dsa-6211 : thunderbird - security update | Nessus | Debian Local Security Checks | 4/20/2026 | 4/30/2026 | critical |
| 307669 | Debian dla-4526 : firefox-esr - security update | Nessus | Debian Local Security Checks | 4/21/2026 | 4/21/2026 | 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 |
| 312396 | RHEL 7 : firefox (RHSA-2026:13977) | Nessus | Red Hat Local Security Checks | 5/6/2026 | 5/6/2026 | critical |
| 313738 | RHEL 8 : thunderbird (RHSA-2026:15889) | 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 |
| 305196 | Mozilla Thunderbird < 149.0.2 | Nessus | Windows | 4/7/2026 | 4/30/2026 | critical |
| 305197 | Mozilla Thunderbird < 140.9.1 | Nessus | MacOS X Local Security Checks | 4/7/2026 | 4/30/2026 | critical |
| 306330 | SUSE SLES12 Security Update : MozillaFirefox (SUSE-SU-2026:1273-1) | Nessus | SuSE Local Security Checks | 4/14/2026 | 4/14/2026 | critical |
| 311841 | RHEL 9 : thunderbird (RHSA-2026:13342) | Nessus | Red Hat Local Security Checks | 5/4/2026 | 5/4/2026 | critical |
| 312091 | RHEL 9 : thunderbird (RHSA-2026:13533) | Nessus | Red Hat Local Security Checks | 5/4/2026 | 5/4/2026 | critical |
| 312182 | RHEL 8 : firefox (RHSA-2026:13683) | Nessus | Red Hat Local Security Checks | 5/5/2026 | 5/5/2026 | critical |
| 312257 | RHEL 8 : firefox (RHSA-2026:13682) | Nessus | Red Hat Local Security Checks | 5/5/2026 | 5/5/2026 | critical |
| 312397 | RHEL 9 : firefox (RHSA-2026:13922) | Nessus | Red Hat Local Security Checks | 5/6/2026 | 5/6/2026 | critical |
| 310145 | AlmaLinux 10 : thunderbird (ALSA-2026:9638) | Nessus | Alma Linux Local Security Checks | 4/24/2026 | 4/24/2026 | critical |
| 311114 | RHEL 10 : thunderbird (RHSA-2026:11813) | Nessus | Red Hat Local Security Checks | 4/30/2026 | 4/30/2026 | critical |
| 311201 | Amazon Linux 2 : thunderbird, --advisory ALAS2-2026-3271 (ALAS-2026-3271) | Nessus | Amazon Linux Local Security Checks | 4/30/2026 | 4/30/2026 | critical |
| 316708 | TencentOS Server 3: thunderbird (TSSA-2026:0360) | Nessus | Tencent Local Security Checks | 5/26/2026 | 5/26/2026 | critical |
| 307373 | AlmaLinux 9 : thunderbird (ALSA-2026:8459) | Nessus | Alma Linux Local Security Checks | 4/17/2026 | 4/17/2026 | critical |
