| 505405 | Siemens RUGGEDCOM RST2428P NULL Pointer Dereference (CVE-2026-24515) | Tenable OT Security | Tenable.ot | 6/18/2026 | 7/17/2026 | low |
| 505374 | Hitachi Energy RTU500 NULL Pointer Dereference (CVE-2026-24515) | Tenable OT Security | Tenable.ot | 6/17/2026 | 6/18/2026 | low |
| 437479 | Alpine: libexpat, multiple expat packages: security update to 2.7.4-r0 | Tenable Cloud Security | Alpine Linux Local Security Checks | 2/4/2026 | 7/2/2026 | high |
| 437479 | Alpine: libexpat, multiple expat packages: security update to 2.7.4-r0 | Tenable Self-Hosted Container Security | Alpine Linux Local Security Checks | 2/4/2026 | 7/2/2026 | high |
| 298019 | Photon OS 4.0: Expat PHSA-2026-4.0-0956 | Nessus | PhotonOS Local Security Checks | 2/5/2026 | 5/8/2026 | low |
| 298805 | Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 25.10 : Expat vulnerabilities (USN-8022-1) | Nessus | Ubuntu Local Security Checks | 2/12/2026 | 5/8/2026 | high |
| 298808 | Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS : xmltok library vulnerabilities (USN-8023-1) | Nessus | Ubuntu Local Security Checks | 2/12/2026 | 3/16/2026 | high |
| 319396 | EulerOS Virtualization 2.12.1 : expat (EulerOS-SA-2026-2073) | Nessus | Huawei Local Security Checks | 6/6/2026 | 6/6/2026 | high |
| 319424 | EulerOS Virtualization 2.10.1 : expat (EulerOS-SA-2026-2018) | Nessus | Huawei Local Security Checks | 6/6/2026 | 6/6/2026 | high |
| 330837 | Debian dsa-6404 : expat - security update | Nessus | Debian Local Security Checks | 7/30/2026 | 7/30/2026 | high |
| 299135 | Fedora 43 : mingw-expat (2026-37324381f3) | Nessus | Fedora Local Security Checks | 2/15/2026 | 2/15/2026 | low |
| 300232 | SUSE SLES12 Security Update : expat (SUSE-SU-2026:0647-1) | Nessus | SuSE Local Security Checks | 3/2/2026 | 5/8/2026 | high |
| 301287 | openSUSE 15: expat / libexpat-devel / libexpat-devel-32bit / libexpat1 / etc (SUSE-SU-2026:0826-1) | Nessus | SuSE Local Security Checks | 3/6/2026 | 6/26/2026 | high |
| 299136 | Fedora 42 : mingw-expat (2026-298986b2a3) | Nessus | Fedora Local Security Checks | 2/15/2026 | 2/15/2026 | low |
| 302328 | Unity Linux 20.1070e Security Update: expat (UTSA-2026-006167) | Nessus | Unity Linux Local Security Checks | 3/15/2026 | 3/15/2026 | low |
| 297491 | Slackware Linux 15.0 / current expat Multiple Vulnerabilities (SSA:2026-031-01) | Nessus | Slackware Local Security Checks | 1/31/2026 | 5/8/2026 | low |
| 298353 | Photon OS 5.0: Expat PHSA-2026-5.0-0756 | Nessus | PhotonOS Local Security Checks | 2/9/2026 | 5/8/2026 | high |
| 298957 | FreeBSD : expat -- multiple vulnerabilities (027c6c07-065b-11f1-baae-589cfc023192) | Nessus | FreeBSD Local Security Checks | 2/13/2026 | 5/8/2026 | high |
| 298226 | Tenable Nessus < 10.10.2 / 10.11.0 < 10.11.2 Multiple Vulnerabilities (TNS-2026-04) | Nessus | Misc. | 2/6/2026 | 3/12/2026 | high |
| 319318 | EulerOS Virtualization 2.10.0 : expat (EulerOS-SA-2026-2045) | Nessus | Huawei Local Security Checks | 6/6/2026 | 6/6/2026 | high |
| 319356 | EulerOS Virtualization 2.12.0 : expat (EulerOS-SA-2026-2098) | Nessus | Huawei Local Security Checks | 6/6/2026 | 6/6/2026 | high |
| 319383 | EulerOS Virtualization 2.13.1 : expat (EulerOS-SA-2026-2124) | Nessus | Huawei Local Security Checks | 6/6/2026 | 6/6/2026 | high |
| 319453 | EulerOS Virtualization 2.13.0 : expat (EulerOS-SA-2026-2163) | Nessus | Huawei Local Security Checks | 6/6/2026 | 6/6/2026 | high |
| 296261 | Linux Distros Unpatched Vulnerability : CVE-2026-24515 | Nessus | Misc. | 1/23/2026 | 7/30/2026 | low |
| 300557 | SUSE SLED15 / SLES15 Security Update : expat (SUSE-SU-2026:0646-1) | Nessus | SuSE Local Security Checks | 3/4/2026 | 5/8/2026 | high |
| 301308 | openSUSE 16 Security Update : expat (openSUSE-SU-2026:20306-1) | Nessus | SuSE Local Security Checks | 3/6/2026 | 5/8/2026 | high |
| 301459 | SUSE SLES16 Security Update : expat (SUSE-SU-2026:20627-1) | Nessus | SuSE Local Security Checks | 3/7/2026 | 5/8/2026 | high |
