| 328773 | Mozilla Firefox < 153.0 | Nessus | Windows | 7/21/2026 | 7/31/2026 | critical |
| 331325 | Oracle Linux 9 : firefox (ELSA-2026-47104) | Nessus | Oracle Linux Local Security Checks | 7/31/2026 | 7/31/2026 | critical |
| 329998 | Fedora 43 : firefox (2026-6dab7a3eff) | Nessus | Fedora Local Security Checks | 7/26/2026 | 7/26/2026 | critical |
| 328772 | Mozilla Firefox ESR < 140.13 | Nessus | MacOS X Local Security Checks | 7/21/2026 | 7/31/2026 | critical |
| 329074 | Debian dla-4695 : firefox-esr - security update | Nessus | Debian Local Security Checks | 7/22/2026 | 7/27/2026 | critical |
| 329089 | Mozilla Thunderbird < 140.13 | Nessus | MacOS X Local Security Checks | 7/22/2026 | 7/31/2026 | critical |
| 329266 | Slackware Linux 15.0 / current mozilla-thunderbird Multiple Vulnerabilities (SSA:2026-204-01) | Nessus | Slackware Local Security Checks | 7/23/2026 | 7/27/2026 | critical |
| 330691 | RockyLinux 8 : firefox (RLSA-2026:47105) | Nessus | Rocky Linux Local Security Checks | 7/29/2026 | 7/31/2026 | critical |
| 330840 | RockyLinux 10 : firefox (RLSA-2026:47101) | Nessus | Rocky Linux Local Security Checks | 7/30/2026 | 7/31/2026 | critical |
| 329384 | Linux Distros Unpatched Vulnerability : CVE-2026-16359 | Nessus | Misc. | 7/25/2026 | 7/29/2026 | critical |
| 329088 | Mozilla Thunderbird < 153.0 | Nessus | Windows | 7/22/2026 | 7/31/2026 | critical |
| 328774 | Mozilla Firefox < 153.0 | Nessus | MacOS X Local Security Checks | 7/21/2026 | 7/31/2026 | critical |
| 329090 | Mozilla Thunderbird < 153.0 | Nessus | MacOS X Local Security Checks | 7/22/2026 | 7/31/2026 | critical |
| 328771 | Mozilla Firefox ESR < 140.13 | Nessus | Windows | 7/21/2026 | 7/31/2026 | critical |
| 329091 | Mozilla Thunderbird < 140.13 | Nessus | Windows | 7/22/2026 | 7/31/2026 | critical |
| 329294 | SUSE SLES12: MozillaFirefox / MozillaFirefox-devel / etc (SUSE-SU-2026:3200-1) | Nessus | SuSE Local Security Checks | 7/24/2026 | 7/27/2026 | critical |
| 329504 | SUSE SLED15: MozillaFirefox / MozillaFirefox-devel / etc (SUSE-SU-2026:3221-1) | Nessus | SuSE Local Security Checks | 7/25/2026 | 7/31/2026 | critical |
| 330443 | RHEL 8 : firefox (RHSA-2026:47105) | Nessus | Red Hat Local Security Checks | 7/28/2026 | 7/31/2026 | critical |
| 330449 | RHEL 10 : firefox (RHSA-2026:47101) | Nessus | Red Hat Local Security Checks | 7/28/2026 | 7/31/2026 | critical |
| 329269 | Fedora 44 : firefox (2026-7d71f89d7e) | Nessus | Fedora Local Security Checks | 7/23/2026 | 7/31/2026 | critical |
| 328880 | Slackware Linux 15.0 / current mozilla-firefox Multiple Vulnerabilities (SSA:2026-202-02) | Nessus | Slackware Local Security Checks | 7/22/2026 | 7/27/2026 | critical |
| 328775 | Mozilla Firefox ESR < 115.38 | Nessus | MacOS X Local Security Checks | 7/21/2026 | 7/27/2026 | critical |
| 328776 | Mozilla Firefox ESR < 115.38 | Nessus | Windows | 7/21/2026 | 7/27/2026 | critical |
| 329076 | Debian dsa-6394 : firefox-esr - security update | Nessus | Debian Local Security Checks | 7/22/2026 | 7/27/2026 | critical |
| 330615 | Oracle Linux 8 : firefox (ELSA-2026-47105) | Nessus | Oracle Linux Local Security Checks | 7/29/2026 | 7/29/2026 | critical |
