| 504222 | Siemens SIMATIC S7-1500 Integer Overflow or Wraparound (CVE-2022-22826) | Tenable OT Security | Tenable.ot | 11/13/2025 | 3/5/2026 | high |
| 404267 | Alpine: expat: security update to 2.2.10-r2 | Tenable Cloud Security | Alpine Linux Local Security Checks | 10/31/2023 | 7/2/2026 | critical |
| 404265 | Alpine: expat: security update to 2.2.10-r0 | Tenable Cloud Security | Alpine Linux Local Security Checks | 10/31/2023 | 7/2/2026 | critical |
| 423893 | Alpine: libexpat, multiple expat packages: security update to 2.4.3-r0 | Tenable Self-Hosted Container Security | Alpine Linux Local Security Checks | 4/4/2025 | 7/2/2026 | critical |
| 423893 | Alpine: libexpat, multiple expat packages: security update to 2.4.3-r0 | Tenable Cloud Security | Alpine Linux Local Security Checks | 4/4/2025 | 7/2/2026 | critical |
| 404267 | Alpine: expat: security update to 2.2.10-r2 | Tenable Self-Hosted Container Security | Alpine Linux Local Security Checks | 10/31/2023 | 7/2/2026 | critical |
| 404265 | Alpine: expat: security update to 2.2.10-r0 | Tenable Self-Hosted Container Security | Alpine Linux Local Security Checks | 10/31/2023 | 7/2/2026 | critical |
| 170654 | Nutanix AHV : Multiple Vulnerabilities (NXSA-AHV-20220304.10013) | Nessus | Misc. | 1/25/2023 | 1/21/2026 | critical |
| 277829 | RHEL 8 : expat (RHSA-2025:22871) | Nessus | Red Hat Local Security Checks | 12/9/2025 | 12/9/2025 | critical |
| 158212 | Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS : Expat vulnerabilities (USN-5288-1) | Nessus | Ubuntu Local Security Checks | 2/21/2022 | 8/28/2024 | critical |
| 159000 | RHEL 8 : expat (RHSA-2022:0951) | Nessus | Red Hat Local Security Checks | 3/17/2022 | 3/15/2025 | critical |
| 159284 | RHEL 7 : expat (RHSA-2022:1069) | Nessus | Red Hat Local Security Checks | 3/29/2022 | 11/7/2024 | critical |
| 159324 | CentOS 7 : expat (RHSA-2022:1069) | Nessus | CentOS Local Security Checks | 3/30/2022 | 10/9/2024 | critical |
| 174083 | NewStart CGSL CORE 5.05 / MAIN 5.05 : expat Multiple Vulnerabilities (NS-SA-2023-0028) | Nessus | NewStart CGSL Local Security Checks | 4/11/2023 | 4/19/2023 | critical |
| 294631 | MiracleLinux 7 : expat-2.1.0-14.el7 (AXSA:2022-3129:02) | Nessus | Miracle Linux Local Security Checks | 1/20/2026 | 1/20/2026 | critical |
| 175428 | Nessus Network Monitor < 6.2.1 Multiple Vulnerabilities (TNS-2023-19) | Nessus | Misc. | 5/12/2023 | 5/12/2023 | critical |
| 156769 | Slackware Linux 14.0 / 14.1 / 14.2 / current expat Multiple Vulnerabilities (SSA:2022-016-01) | Nessus | Slackware Local Security Checks | 1/16/2022 | 11/20/2023 | critical |
| 159791 | EulerOS 2.0 SP9 : expat (EulerOS-SA-2022-1425) | Nessus | Huawei Local Security Checks | 4/18/2022 | 11/1/2023 | critical |
| 167133 | CentOS 8 : xmlrpc-c (CESA-2022:7692) | Nessus | CentOS Local Security Checks | 11/8/2022 | 10/5/2023 | critical |
| 203209 | Photon OS 4.0: Expat PHSA-2022-4.0-0145 | Nessus | PhotonOS Local Security Checks | 7/23/2024 | 11/2/2026 | critical |
| 355439 | Rocky Linux 9.2 [CIQ] Security Update: expat / expat-debuginfo / expat-debugsource / expat-devel / etc Multiple Vulnerabilities (ciqsa-2026_0410) | Nessus | Rocky Linux Local Security Checks | 10/1/2026 | 10/12/2026 | critical |
| 356913 | Rocky Linux 9.6 [CIQ] Security Update: expat / expat-debuginfo / expat-debugsource / expat-devel Multiple Vulnerabilities (ciqsa-2026_1446) | Nessus | Rocky Linux Local Security Checks | 10/1/2026 | 10/12/2026 | critical |
| 170564 | Nutanix AHV : Multiple Vulnerabilities (NXSA-AHV-20220304.242) | Nessus | Misc. | 1/25/2023 | 1/21/2026 | critical |
| 165275 | Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-5.20.3.6) | Nessus | Misc. | 9/21/2022 | 2/17/2025 | critical |
| 159295 | Oracle Linux 7 : expat (ELSA-2022-1069) | Nessus | Oracle Linux Local Security Checks | 3/29/2022 | 10/22/2024 | critical |
| 167475 | NewStart CGSL CORE 5.04 / MAIN 5.04 : expat Multiple Vulnerabilities (NS-SA-2022-0082) | Nessus | NewStart CGSL Local Security Checks | 11/15/2022 | 10/4/2023 | critical |
| 173105 | Amazon Linux 2023 : expat, expat-devel, expat-static (ALAS2023-2023-058) | Nessus | Amazon Linux Local Security Checks | 3/21/2023 | 12/11/2024 | critical |
| 362370 | CentOS Linux 8 [TuxCare] Security Update: expat / expat-devel / expat-static Multiple Vulnerabilities (CENTOS-STREAM8:CLSA-2026:1773928447) | Nessus | CentOS Local Security Checks | 10/1/2026 | 10/1/2026 | critical |
| 157425 | Tenable Nessus 10.x < 10.1.1 / 8.x < 8.15.3 Third-Party Vulnerabilities (TNS-2022-05) | Nessus | Misc. | 2/8/2022 | 10/30/2026 | critical |
| 203786 | Photon OS 3.0: Expat PHSA-2022-3.0-0353 | Nessus | PhotonOS Local Security Checks | 7/24/2024 | 7/24/2024 | critical |
| 313585 | Unity Linux 20.1060e / 20.1070e Security Update: expat (UTSA-2026-017361) | Nessus | Unity Linux Local Security Checks | 5/9/2026 | 5/9/2026 | high |
| 356813 | Rocky Linux 8.6 [CIQ] Security Update: xmlrpc-c / xmlrpc-c-apps / xmlrpc-c-apps-debuginfo / xmlrpc-c-c++ / etc Multiple Vulnerabilities (ciqsa-2026_0870) | Nessus | Rocky Linux Local Security Checks | 10/1/2026 | 10/12/2026 | critical |
| 170557 | Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-6.6) | Nessus | Misc. | 1/24/2023 | 1/21/2026 | medium |
| 277504 | RHEL 8 : expat (RHSA-2025:22785) | Nessus | Red Hat Local Security Checks | 12/4/2025 | 12/4/2025 | critical |
| 167224 | Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-5.20.5) | Nessus | Misc. | 11/9/2022 | 6/3/2026 | critical |
| 158998 | Oracle Linux 8 : expat (ELSA-2022-0951) | Nessus | Oracle Linux Local Security Checks | 3/16/2022 | 10/22/2024 | critical |
| 167471 | NewStart CGSL MAIN 6.02 : expat Multiple Vulnerabilities (NS-SA-2022-0098) | Nessus | NewStart CGSL Local Security Checks | 11/15/2022 | 10/4/2023 | critical |
| 168581 | Amazon Linux 2022 : expat (ALAS2022-2022-232) | Nessus | Amazon Linux Local Security Checks | 12/9/2022 | 12/11/2024 | critical |
| 170846 | EulerOS Virtualization 3.0.2.2 : expat (EulerOS-SA-2023-1252) | Nessus | Huawei Local Security Checks | 1/30/2023 | 1/31/2023 | critical |
| 165540 | GLSA-202209-24 : Expat: Multiple Vulnerabilities | Nessus | Gentoo Local Security Checks | 9/29/2022 | 10/10/2023 | critical |
| 157101 | SUSE SLED15 / SLES15 Security Update : expat (SUSE-SU-2022:0178-1) | Nessus | SuSE Local Security Checks | 1/26/2022 | 7/14/2023 | critical |
| 158031 | Debian DSA-5073-1 : expat - security update | Nessus | Debian Local Security Checks | 2/13/2022 | 11/9/2023 | critical |
| 159785 | EulerOS 2.0 SP9 : expat (EulerOS-SA-2022-1446) | Nessus | Huawei Local Security Checks | 4/18/2022 | 11/1/2023 | critical |
| 160019 | EulerOS 2.0 SP10 : expat (EulerOS-SA-2022-1502) | Nessus | Huawei Local Security Checks | 4/20/2022 | 10/31/2023 | critical |
| 160580 | EulerOS Virtualization 2.9.1 : expat (EulerOS-SA-2022-1605) | Nessus | Huawei Local Security Checks | 5/5/2022 | 10/31/2023 | critical |
| 160687 | EulerOS Virtualization 3.0.2.0 : expat (EulerOS-SA-2022-1679) | Nessus | Huawei Local Security Checks | 5/7/2022 | 10/30/2023 | critical |
| 161573 | EulerOS 2.0 SP3 : xulrunner (EulerOS-SA-2022-1774) | Nessus | Huawei Local Security Checks | 5/26/2022 | 10/26/2023 | critical |
| 167132 | RHEL 8 : xmlrpc-c (RHSA-2022:7692) | Nessus | Red Hat Local Security Checks | 11/8/2022 | 11/7/2024 | critical |
| 292358 | MiracleLinux 8 : xmlrpc-c-1.51.0-8.el8 (AXSA:2022-4217:04) | Nessus | Miracle Linux Local Security Checks | 1/20/2026 | 1/20/2026 | critical |
| 229736 | Linux Distros Unpatched Vulnerability : CVE-2022-22826 | Nessus | Misc. | 3/5/2025 | 11/5/2026 | high |
