| 99628 | Mozilla Firefox ESR < 52.1 Multiple Vulnerabilities (macOS) | Nessus | MacOS X Local Security Checks | 4/24/2017 | 3/3/2026 | critical |
| 99629 | Mozilla Firefox < 53 Multiple Vulnerabilities (macOS) | Nessus | MacOS X Local Security Checks | 4/24/2017 | 3/3/2026 | critical |
| 99630 | Mozilla Firefox ESR < 45.9 | Nessus | Windows | 4/24/2017 | 11/18/2025 | critical |
| 100687 | EulerOS 2.0 SP1 : firefox (EulerOS-SA-2017-1092) | Nessus | Huawei Local Security Checks | 6/9/2017 | 12/16/2025 | critical |
| 100688 | EulerOS 2.0 SP2 : firefox (EulerOS-SA-2017-1093) | Nessus | Huawei Local Security Checks | 6/9/2017 | 12/16/2025 | critical |
| 100249 | Ubuntu 14.04 LTS / 16.04 LTS : Thunderbird vulnerabilities (USN-3278-1) | Nessus | Ubuntu Local Security Checks | 5/17/2017 | 8/27/2024 | critical |
| 203399 | Photon OS 4.0: Libevent PHSA-2023-4.0-0379 | Nessus | PhotonOS Local Security Checks | 7/23/2024 | 7/23/2024 | critical |
| 203979 | Photon OS 3.0: Libevent PHSA-2023-3.0-0568 | Nessus | PhotonOS Local Security Checks | 7/24/2024 | 7/24/2024 | critical |
| 275620 | Mozilla Thunderbird < 52.1 | Nessus | MacOS X Local Security Checks | 11/18/2025 | 11/18/2025 | critical |
| 355360 | CentOS Linux 7.9 [CIQ] Security Update: libevent / libevent-debuginfo / libevent-devel / libevent-doc Multiple Vulnerabilities (ciqsa-2026_0696) | Nessus | CentOS Local Security Checks | 10/1/2026 | 10/1/2026 | critical |
| 352167 | CentOS Linux 7 [TuxCare] Security Update: libevent / libevent-devel / libevent-doc Multiple Vulnerabilities (CENTOS7:CLSA-2025:1739388106) | Nessus | CentOS Local Security Checks | 9/30/2026 | 9/30/2026 | critical |
| 97195 | Debian DLA-824-1 : libevent security update | Nessus | Debian Local Security Checks | 2/16/2017 | 1/1/2026 | critical |
| 97196 | Debian DSA-3789-1 : libevent - security update | Nessus | Debian Local Security Checks | 2/16/2017 | 1/1/2026 | critical |
| 102694 | SUSE SLES11 Security Update : MozillaFirefox, MozillaFirefox-branding-SLED, firefox-gcc5, mozilla-nss (SUSE-SU-2017:2235-1) | Nessus | SuSE Local Security Checks | 8/23/2017 | 11/26/2025 | critical |
| 124942 | EulerOS Virtualization 3.0.1.0 : libevent (EulerOS-SA-2019-1439) | Nessus | Huawei Local Security Checks | 5/14/2019 | 5/23/2024 | critical |
| 106345 | SUSE SLED12 / SLES12 Security Update : libevent (SUSE-SU-2018:0200-1) | Nessus | SuSE Local Security Checks | 1/25/2018 | 10/31/2025 | critical |
| 106884 | GLSA-201802-03 : Mozilla Firefox: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | 2/20/2018 | 10/29/2025 | critical |
| 99556 | FreeBSD : libevent -- multiple vulnerabilities (b8ee7a81-a879-4358-9b30-7dd1bd4c14b1) | Nessus | FreeBSD Local Security Checks | 4/21/2017 | 12/25/2025 | critical |
| 99967 | Mozilla Thunderbird < 52.1 Multiple Vulnerabilities (macOS) | Nessus | MacOS X Local Security Checks | 5/3/2017 | 11/13/2019 | critical |
