| 310663 | Oracle Linux 10 : firefox (ELSA-2026-10767) | Nessus | Oracle Linux Local Security Checks | 4/28/2026 | 5/8/2026 | critical |
| 310731 | Oracle Linux 8 : firefox (ELSA-2026-10766) | Nessus | Oracle Linux Local Security Checks | 4/28/2026 | 5/8/2026 | critical |
| 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 |
| 307896 | Mozilla Firefox ESR < 115.35 | Nessus | MacOS X Local Security Checks | 4/21/2026 | 4/21/2026 | critical |
| 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 |
| 314278 | Oracle Linux 9 : thunderbird (ELSA-2026-15892) | Nessus | Oracle Linux Local Security Checks | 5/11/2026 | 5/11/2026 | 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 |
| 316704 | TencentOS Server 3: thunderbird (TSSA-2026:0381) | Nessus | Tencent Local Security Checks | 5/26/2026 | 5/26/2026 | critical |
| 309059 | Linux Distros Unpatched Vulnerability : CVE-2026-6750 | Nessus | Misc. | 4/21/2026 | 5/22/2026 | high |
| 314645 | RHEL 8 : firefox (RHSA-2026:17477) | Nessus | Red Hat Local Security Checks | 5/14/2026 | 5/14/2026 | critical |
| 314753 | RHEL 9 : firefox (RHSA-2026:17688) | Nessus | Red Hat Local Security Checks | 5/14/2026 | 5/14/2026 | critical |
| 314901 | MiracleLinux 9 : thunderbird-140.10.0-1.el9_7.ML.1 (AXSA:2026-616:11) | Nessus | Miracle Linux Local Security Checks | 5/15/2026 | 5/15/2026 | critical |
| 315513 | RHEL 10 : thunderbird (RHSA-2026:19131) | Nessus | Red Hat Local Security Checks | 5/19/2026 | 5/19/2026 | critical |
| 315602 | RHEL 9 : firefox (RHSA-2026:17689) | Nessus | Red Hat Local Security Checks | 5/20/2026 | 5/20/2026 | critical |
| 315722 | RHEL 10 : thunderbird (RHSA-2026:19463) | Nessus | Red Hat Local Security Checks | 5/20/2026 | 5/20/2026 | critical |
| 307895 | Mozilla Firefox < 150.0 | Nessus | MacOS X Local Security Checks | 4/21/2026 | 5/8/2026 | medium |
| 307897 | Mozilla Firefox ESR < 140.10 | Nessus | MacOS X Local Security Checks | 4/21/2026 | 5/1/2026 | critical |
| 307898 | Mozilla Firefox ESR < 115.35 | Nessus | Windows | 4/21/2026 | 4/21/2026 | critical |
| 309098 | Mozilla Thunderbird < 150.0 | Nessus | MacOS X Local Security Checks | 4/21/2026 | 5/7/2026 | medium |
| 309901 | Debian dla-4546 : firefox-esr - security update | Nessus | Debian Local Security Checks | 4/23/2026 | 5/1/2026 | critical |
| 310549 | RHEL 8 : firefox (RHSA-2026:10766) | Nessus | Red Hat Local Security Checks | 4/27/2026 | 4/30/2026 | critical |
| 310712 | RockyLinux 9 : firefox (RLSA-2026:10757) | Nessus | Rocky Linux Local Security Checks | 4/28/2026 | 4/30/2026 | critical |
