| 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 |
| 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 |
| 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 |
| 311543 | Oracle Linux 10 : thunderbird (ELSA-2026-12285) | Nessus | Oracle Linux Local Security Checks | 5/2/2026 | 5/2/2026 | critical |
| 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 |
| 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 |
| 310970 | AlmaLinux 8 : firefox (ALSA-2026:10766) | Nessus | Alma Linux Local Security Checks | 4/29/2026 | 4/29/2026 | critical |
| 311083 | AlmaLinux 10 : firefox (ALSA-2026:10767) | Nessus | Alma Linux Local Security Checks | 4/30/2026 | 4/30/2026 | critical |
| 312141 | openSUSE 16 Security Update : MozillaThunderbird (openSUSE-SU-2026:20664-1) | Nessus | SuSE Local Security Checks | 5/5/2026 | 5/5/2026 | critical |
| 312241 | Fedora 43 : firefox / nss (2026-c0a4f03150) | Nessus | Fedora Local Security Checks | 5/5/2026 | 5/13/2026 | medium |
| 314444 | AlmaLinux 9 : thunderbird (ALSA-2026:15892) | Nessus | Alma Linux Local Security Checks | 5/13/2026 | 5/13/2026 | critical |
| 314758 | RHEL 9 : firefox (RHSA-2026:17687) | Nessus | Red Hat Local Security Checks | 5/14/2026 | 5/14/2026 | critical |
| 315550 | RHEL 8 : thunderbird (RHSA-2026:19467) | Nessus | Red Hat Local Security Checks | 5/20/2026 | 5/20/2026 | critical |
| 315732 | RHEL 9 : thunderbird (RHSA-2026:19461) | Nessus | Red Hat Local Security Checks | 5/20/2026 | 5/20/2026 | critical |
| 312844 | MiracleLinux 8 : firefox-140.10.0-1.el8_10.ML.1 (AXSA:2026-549:09) | Nessus | Miracle Linux Local Security Checks | 5/7/2026 | 5/8/2026 | critical |
| 313689 | SUSE SLED15 / SLES15 Security Update : MozillaThunderbird (SUSE-SU-2026:1741-1) | Nessus | SuSE Local Security Checks | 5/10/2026 | 5/10/2026 | critical |
| 307894 | Mozilla Firefox ESR < 140.10 | Nessus | Windows | 4/21/2026 | 5/1/2026 | critical |
| 309144 | Slackware Linux 15.0 / current mozilla-firefox Multiple Vulnerabilities (SSA:2026-111-02) | Nessus | Slackware Local Security Checks | 4/22/2026 | 5/1/2026 | critical |
| 310655 | Oracle Linux 9 : firefox (ELSA-2026-10757) | Nessus | Oracle Linux Local Security Checks | 4/28/2026 | 5/8/2026 | critical |
| 310666 | openSUSE 16 Security Update : MozillaFirefox (openSUSE-SU-2026:20621-1) | Nessus | SuSE Local Security Checks | 4/28/2026 | 4/30/2026 | critical |
| 311753 | SUSE SLES12 Security Update : MozillaFirefox (SUSE-SU-2026:1650-1) | Nessus | SuSE Local Security Checks | 5/2/2026 | 5/2/2026 | critical |
| 311757 | SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2026:1649-1) | Nessus | SuSE Local Security Checks | 5/2/2026 | 5/2/2026 | critical |
| 312102 | RHEL 8 : thunderbird (RHSA-2026:13537) | Nessus | Red Hat Local Security Checks | 5/4/2026 | 5/4/2026 | critical |
| 312314 | Oracle Linux 8 : thunderbird (ELSA-2026-13537) | Nessus | Oracle Linux Local Security Checks | 5/5/2026 | 5/5/2026 | critical |
| 312849 | MiracleLinux 9 : firefox-140.10.0-1.el9_7.ML.1 (AXSA:2026-550:10) | Nessus | Miracle Linux Local Security Checks | 5/7/2026 | 5/8/2026 | critical |
| 313015 | RockyLinux 8 : thunderbird (RLSA-2026:13537) | Nessus | Rocky Linux Local Security Checks | 5/7/2026 | 5/7/2026 | critical |
| 313036 | RockyLinux 10 : thunderbird (RLSA-2026:12285) | Nessus | Rocky Linux Local Security Checks | 5/7/2026 | 5/7/2026 | critical |
| 314150 | MiracleLinux 8 : thunderbird-140.10.0-1.el8_10.ML.1 (AXSA:2026-579:10) | Nessus | Miracle Linux Local Security Checks | 5/11/2026 | 5/11/2026 | critical |
| 314424 | RockyLinux 9 : thunderbird (RLSA-2026:15892) | Nessus | Rocky Linux Local Security Checks | 5/13/2026 | 5/13/2026 | critical |
| 315444 | RHEL 10 : firefox (RHSA-2026:19041) | Nessus | Red Hat Local Security Checks | 5/19/2026 | 5/19/2026 | critical |
| 315549 | RockyLinux 9 : firefox (RLSA-2026:19201) | Nessus | Rocky Linux Local Security Checks | 5/20/2026 | 5/20/2026 | critical |
| 315558 | RHEL 9 : thunderbird (RHSA-2026:19462) | Nessus | Red Hat Local Security Checks | 5/20/2026 | 5/20/2026 | critical |
| 315561 | RHEL 8 : thunderbird (RHSA-2026:19465) | Nessus | Red Hat Local Security Checks | 5/20/2026 | 5/20/2026 | critical |
| 315585 | RHEL 8 : thunderbird (RHSA-2026:19466) | Nessus | Red Hat Local Security Checks | 5/20/2026 | 5/20/2026 | critical |
| 315916 | RHEL 7 : firefox (RHSA-2026:19704) | Nessus | Red Hat Local Security Checks | 5/20/2026 | 5/20/2026 | critical |
| 316681 | TencentOS Server 3: firefox (TSSA-2026:0382) | Nessus | Tencent Local Security Checks | 5/26/2026 | 5/26/2026 | critical |
| 309099 | Mozilla Thunderbird < 140.10 | Nessus | Windows | 4/21/2026 | 5/1/2026 | critical |
| 309100 | Mozilla Thunderbird < 150.0 | Nessus | Windows | 4/21/2026 | 5/7/2026 | medium |
| 314513 | TencentOS Server 4: firefox (TSSA-2026:0292) | Nessus | Tencent Local Security Checks | 5/14/2026 | 5/14/2026 | 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 |
