| 504198 | Siemens SIMATIC S7-1500 Improper Restriction of Recursive Entity References in DTDs (CVE-2021-3541) | Tenable OT Security | Tenable.ot | 11/13/2025 | 3/5/2026 | medium |
| 426238 | Alpine: multiple qt5-qtwebengine packages: security update to 5.15.3_git20211112-r0 | Tenable Cloud Security | Alpine Linux Local Security Checks | 5/16/2025 | 1/23/2026 | high |
| 406843 | Alpine: qt5-qtwebengine: security update to 5.15.3_git20211112-r0 | Tenable Cloud Security | Alpine Linux Local Security Checks | 10/31/2023 | 7/2/2026 | high |
| 405416 | Alpine: libxml2: security update to 2.9.12-r0 | Tenable Cloud Security | Alpine Linux Local Security Checks | 10/31/2023 | 7/2/2026 | medium |
| 426238 | Alpine: multiple qt5-qtwebengine packages: security update to 5.15.3_git20211112-r0 | Tenable Self-Hosted Container Security | Alpine Linux Local Security Checks | 5/16/2025 | 1/23/2026 | high |
| 405416 | Alpine: libxml2: security update to 2.9.12-r0 | Tenable Self-Hosted Container Security | Alpine Linux Local Security Checks | 10/31/2023 | 7/2/2026 | medium |
| 406843 | Alpine: qt5-qtwebengine: security update to 5.15.3_git20211112-r0 | Tenable Self-Hosted Container Security | Alpine Linux Local Security Checks | 10/31/2023 | 7/2/2026 | high |
| 424088 | Alpine: multiple libxml2 packages, multiple py3-libxml2 packages: security update to 2.9.11-r0 | Tenable Self-Hosted Container Security | Alpine Linux Local Security Checks | 4/4/2025 | 7/2/2026 | high |
| 424088 | Alpine: multiple libxml2 packages, multiple py3-libxml2 packages: security update to 2.9.11-r0 | Tenable Cloud Security | Alpine Linux Local Security Checks | 4/4/2025 | 7/2/2026 | high |
| 405415 | Alpine: libxml2: security update to 2.9.11-r0 | Tenable Cloud Security | Alpine Linux Local Security Checks | 10/31/2023 | 1/22/2026 | high |
| 405415 | Alpine: libxml2: security update to 2.9.11-r0 | Tenable Self-Hosted Container Security | Alpine Linux Local Security Checks | 10/31/2023 | 1/22/2026 | high |
| 151303 | EulerOS Virtualization for ARM 64 3.0.2.0 : libxml2 (EulerOS-SA-2021-2103) | Nessus | Huawei Local Security Checks | 7/2/2021 | 12/11/2023 | high |
| 152408 | EulerOS 2.0 SP8 : libxml2 (EulerOS-SA-2021-2306) | Nessus | Huawei Local Security Checks | 8/10/2021 | 12/4/2023 | high |
| 151363 | CentOS 8 : libxml2 (CESA-2021:2569) | Nessus | CentOS Local Security Checks | 7/3/2021 | 12/11/2023 | high |
| 150111 | Debian DLA-2669-1 : libxml2 security update | Nessus | Debian Local Security Checks | 6/1/2021 | 7/14/2021 | medium |
| 151541 | EulerOS Virtualization 2.9.0 : libxml2 (EulerOS-SA-2021-2193) | Nessus | Huawei Local Security Checks | 7/13/2021 | 12/8/2023 | medium |
| 170827 | EulerOS Virtualization 3.0.2.2 : libxml2 (EulerOS-SA-2023-1271) | Nessus | Huawei Local Security Checks | 1/30/2023 | 9/5/2023 | high |
| 154396 | EulerOS 2.0 SP3 : libxml2 (EulerOS-SA-2021-2595) | Nessus | Huawei Local Security Checks | 10/25/2021 | 11/28/2023 | high |
| 157995 | EulerOS Virtualization 3.0.6.6 : libxml2 (EulerOS-SA-2022-1131) | Nessus | Huawei Local Security Checks | 2/13/2022 | 11/9/2023 | high |
| 151735 | openSUSE 15 Security Update : libxml2 (openSUSE-SU-2021:1917-1) | Nessus | SuSE Local Security Checks | 7/16/2021 | 7/16/2021 | medium |
| 157803 | Rocky Linux 8 : libxml2 (RLSA-2021:2569) | Nessus | Rocky Linux Local Security Checks | 2/9/2022 | 11/9/2023 | high |
| 150458 | SUSE SLED15: libxml2-2 / libxml2-2-32bit / libxml2-devel / libxml2-tools / etc (SUSE-SU-2021:1917-1) | Nessus | SuSE Local Security Checks | 6/10/2021 | 6/25/2026 | medium |
| 174889 | SUSE SLES15: libxml2-2 / libxml2-2-32bit / libxml2-devel / libxml2-tools / etc (SUSE-SU-2023:2048-1) | Nessus | SuSE Local Security Checks | 4/27/2023 | 6/25/2026 | medium |
| 150887 | SUSE SLED12: libxml2-2 / libxml2-2-32bit / libxml2-devel / libxml2-doc / etc (SUSE-SU-2021:2016-1) | Nessus | SuSE Local Security Checks | 6/21/2021 | 6/25/2026 | medium |
| 151534 | EulerOS Virtualization 2.9.1 : libxml2 (EulerOS-SA-2021-2185) | Nessus | Huawei Local Security Checks | 7/13/2021 | 12/8/2023 | medium |
| 152294 | EulerOS 2.0 SP9 : libxml2 (EulerOS-SA-2021-2249) | Nessus | Huawei Local Security Checks | 8/9/2021 | 12/6/2023 | high |
| 156968 | GLSA-202107-05 : libxml2: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | 1/24/2022 | 1/16/2024 | high |
| 160030 | RHEL 7 / 8 : Red Hat JBoss Core Services Apache HTTP Server 2.4.37 SP11 (RHSA-2022:1389) | Nessus | Red Hat Local Security Checks | 4/21/2022 | 11/7/2024 | critical |
| 223926 | Linux Distros Unpatched Vulnerability : CVE-2021-3541 | Nessus | Misc. | 3/5/2025 | 8/31/2025 | medium |
| 157541 | AlmaLinux 8 : libxml2 (ALSA-2021:2569) | Nessus | Alma Linux Local Security Checks | 2/9/2022 | 11/13/2023 | high |
| 169522 | Amazon Linux 2 : libxml2 (ALAS-2021-1662) | Nessus | Amazon Linux Local Security Checks | 1/4/2023 | 12/11/2024 | high |
| 322163 | Photon OS 5.0: Libxml2 PHSA-2026-5.0-0874 | Nessus | PhotonOS Local Security Checks | 6/23/2026 | 6/27/2026 | medium |
| 239614 | TencentOS Server 3: libxml2 (TSSA-2022:0210) | Nessus | Tencent Local Security Checks | 6/16/2025 | 11/20/2025 | high |
| 157940 | EulerOS Virtualization 3.0.6.0 : libxml2 (EulerOS-SA-2022-1082) | Nessus | Huawei Local Security Checks | 2/12/2022 | 11/9/2023 | high |
| 236735 | Alibaba Cloud Linux 3 : 0047: libxml2 (ALINUX3-SA-2021:0047) | Nessus | Alibaba Cloud Linux Local Security Checks | 5/14/2025 | 5/14/2025 | high |
| 314104 | Unity Linux 20.1060e / 20.1070e Security Update: libxml2 (UTSA-2026-017425) | Nessus | Unity Linux Local Security Checks | 5/11/2026 | 5/11/2026 | medium |
| 291696 | MiracleLinux 8 : libxml2-2.9.7-9.el8.2 (AXSA:2021-2193:02) | Nessus | Miracle Linux Local Security Checks | 1/19/2026 | 1/19/2026 | high |
| 151359 | Oracle Linux 8 : libxml2 (ELSA-2021-2569) | Nessus | Oracle Linux Local Security Checks | 7/3/2021 | 11/1/2024 | high |
| 149513 | Slackware 14.0 / 14.1 / 14.2 / current : libxml2 (SSA:2021-135-01) | Nessus | Slackware Local Security Checks | 5/17/2021 | 7/14/2021 | medium |
| 149857 | FreeBSD : libxml2 -- Possible denial of service (524bd03a-bb75-11eb-bf35-080027f515ea) | Nessus | FreeBSD Local Security Checks | 5/24/2021 | 7/14/2021 | medium |
| 153086 | EulerOS 2.0 SP5 : libxml2 (EulerOS-SA-2021-2339) | Nessus | Huawei Local Security Checks | 9/7/2021 | 12/1/2023 | high |
| 156511 | EulerOS Virtualization 3.0.2.6 : libxml2 (EulerOS-SA-2021-2884) | Nessus | Huawei Local Security Checks | 1/6/2022 | 11/21/2023 | high |
| 153349 | EulerOS 2.0 SP2 : libxml2 (EulerOS-SA-2021-2406) | Nessus | Huawei Local Security Checks | 9/14/2021 | 11/30/2023 | high |
| 152286 | EulerOS 2.0 SP9 : libxml2 (EulerOS-SA-2021-2275) | Nessus | Huawei Local Security Checks | 8/9/2021 | 12/6/2023 | high |
| 151082 | openSUSE 15 Security Update : libxml2 (openSUSE-SU-2021:0886-1) | Nessus | SuSE Local Security Checks | 6/28/2021 | 1/21/2022 | medium |
| 151142 | RHEL 8 : libxml2 (RHSA-2021:2569) | Nessus | Red Hat Local Security Checks | 6/29/2021 | 11/7/2024 | high |
| 150858 | Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS : libxml2 vulnerabilities (USN-4991-1) | Nessus | Ubuntu Local Security Checks | 6/17/2021 | 9/3/2025 | critical |
| 160750 | NewStart CGSL MAIN 6.02 : libxml2 Multiple Vulnerabilities (NS-SA-2022-0050) | Nessus | NewStart CGSL Local Security Checks | 5/9/2022 | 11/1/2023 | high |
| 175091 | Amazon Linux AMI : libxml2 (ALAS-2023-1743) | Nessus | Amazon Linux Local Security Checks | 5/4/2023 | 12/11/2024 | critical |
| 177842 | Nessus Network Monitor < 6.2.2 Multiple Vulnerabilities (TNS-2023-23) | Nessus | Misc. | 6/30/2023 | 7/6/2023 | critical |
