Logging Monitoring

Ubuntu 22.04 — libxml2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — libxml2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 7 April 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7974-1 Related CVEs: CVE-2026-0992 CVE-2026-0990 CVE-2025-8732 CVE-2026-0989 CVE-2025-7425 CVE-2025-9714 CVE-2025-6021 CVE-2025-49794  +12 more Upstream summary: It was discovered that libxml2 incorrectly handled maliciously crafted SGML catalog files. An attacker could […]

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Oracle Linux 8 — bind — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — bind — vulnerability — patch and remediation guide (ELSA-2026-8352)

🟠 High   ⏱ 15–60 min  Last verified: 7 April 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-8352 Related CVEs: CVE-2026-1519 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Windows Server 2019 — KB5065427 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5065427 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5065427 • MSRC update-guide entry Related CVEs: CVE-2025-54918 CVE-2025-55226 CVE-2025-53799 CVE-2025-53800 CVE-2025-48807 CVE-2025-49734 CVE-2025-53797 CVE-2025-53798  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Improper authentication in Windows NTLM […]

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Windows Server 2019 — KB5087424 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5087424 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5087424 • MSRC update-guide entry Related CVEs: CVE-2026-35421 CVE-2026-41089 CVE-2026-32161 CVE-2026-40403 CVE-2026-21530 CVE-2026-33834 CVE-2026-33839 CVE-2026-34329  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Heap-based buffer overflow in Windows […]

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Oracle Linux 9 — openssh — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — openssh — vulnerability — patch and remediation guide (ELSA-2026-6462)

🟠 High   ⏱ 15–60 min  Last verified: 7 April 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-6462 Related CVEs: CVE-2026-3497 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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SLES 12 — python-pyasn1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — python-pyasn1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 7 April 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:12176 (see also SUSE bugzilla) Related CVEs: CVE-2026-30922 CVE-2026-23490 Upstream summary: pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.3, the `pyasn1` library is vulnerable to a Denial of Service […]

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CentOS Stream 10 — tomcat — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — tomcat — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 7 April 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2025:23050 Related CVEs: CVE-2025-31651 CVE-2025-55752 CVE-2025-61795 Upstream summary: Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies. Security Fix(es): * tomcat: Apache Tomcat: Bypass of […]

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openSUSE Leap 15.6 — clamav — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — clamav — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:02119-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-20260 CVE-2023-20197 CVE-2024-20380 CVE-2024-20505 CVE-2026-20031 CVE-2025-20234 CVE-2025-20128 CVE-2024-20506  +1 more Upstream summary: A vulnerability in the PDF scanning processes of ClamAV could allow an […]

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SLES 15 — dnsdist — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — dnsdist — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 7 April 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:0888-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-8671 CVE-2025-30193 CVE-2025-30194 CVE-2024-25581 CVE-2016-7069 CVE-2026-24028 CVE-2026-24029 CVE-2026-24030  +7 more Upstream summary: A mismatch caused by client-triggered server-sent stream resets between HTTP/2 specifications and the […]

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Rocky Linux 8 — seabios — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — seabios — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2023:5264 Related CVEs: CVE-2022-40284 CVE-2023-3354 CVE-2025-11234 CVE-2021-3750 CVE-2023-3301 Upstream summary: Kernel-based Virtual Machine (KVM) offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages […]

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