| 352081 | CentOS Linux 7 [TuxCare] Security Update: expat / expat-devel / expat-static (CENTOS7:CLSA-2026:1789395602) | Nessus | CentOS Local Security Checks | Local | high |
| 351960 | CentOS Linux 6 [TuxCare] Security Update: expat / expat-devel (CENTOS6:CLSA-2026:1789396571) | Nessus | CentOS Local Security Checks | Local | high |
| 351602 | CentOS Linux 8 [TuxCare] Security Update: expat / expat-devel / expat-static (CENTOS-STREAM8:CLSA-2026:1789202718) | Nessus | CentOS Local Security Checks | Local | high |
| 351397 | SUSE SLES16 Security Update : expat (SUSE-SU-2026:23912-1) | Nessus | SuSE Local Security Checks | Local | high |
| 350766 | openSUSE 16 Security Update : expat (openSUSE-SU-2026:21945-1) | Nessus | SuSE Local Security Checks | Local | high |
| 350173 | Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS : Expat vulnerabilities (USN-8813-1) | Nessus | Ubuntu Local Security Checks | Local | high |
| 345784 | Amazon Linux 2023 : expat, expat-devel, expat-static (ALAS2023-2026-2157) | Nessus | Amazon Linux Local Security Checks | Local | high |
| 344990 | Fedora 44 : mingw-expat (2026-5660612c34) | Nessus | Fedora Local Security Checks | Local | high |
| 344988 | Fedora 43 : mingw-expat (2026-4a2ee61320) | Nessus | Fedora Local Security Checks | Local | high |
| 344891 | Fedora 45 : mingw-expat (2026-9e9244744d) | Nessus | Fedora Local Security Checks | Local | high |
| 447379 | Alpine: libexpat, multiple expat packages: security update to 2.8.4-r0 | Tenable Cloud Security | Alpine Linux Local Security Checks | Local | high |
| 447379 | Alpine: libexpat, multiple expat packages: security update to 2.8.4-r0 | Tenable Self-Hosted Container Security | Alpine Linux Local Security Checks | Local | high |
| 341890 | Amazon Linux 2 : firefox, --advisory ALAS2FIREFOX-2026-064 (ALASFIREFOX-2026-064) | Nessus | Amazon Linux Local Security Checks | Local | high |
| 341868 | Amazon Linux 2023 : firefox (ALAS2023-2026-2105) | Nessus | Amazon Linux Local Security Checks | Local | high |
| 341839 | Amazon Linux 2 : thunderbird, --advisory ALAS2-2026-3880 (ALAS-2026-3880) | Nessus | Amazon Linux Local Security Checks | Local | high |
| 341830 | Debian dla-4765 : expat - security update | Nessus | Debian Local Security Checks | Local | high |
| 338296 | Linux Distros Unpatched Vulnerability : CVE-2026-76957 | Nessus | Misc. | Local | high |