Package Management

Windows Server 2022 — KB5020003 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5020003 — security update — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5020003 • MSRC update-guide entry Related CVEs: CVE-2023-21712 Affected components: Windows Server 2022 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Debian 12 — libpgf — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libpgf — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-6673 Upstream summary: Use-after-free vulnerability in Decoder.cpp in libpgf before 6.15.32. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution […]

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How to Configure MySQL Group Replication on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure MySQL Group Replication on Oracle Linux 9

Introduction How to Configure MySQL Group Replication on Oracle Linux 9 on Oracle Linux 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration […]

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openSUSE Tumbleweed — python39-jupyter-server — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python39-jupyter-server — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2023-49080 CVE-2023-39968 CVE-2023-40170 Upstream summary: The Jupyter Server provides the backend (i.e. the core services, APIs, and REST endpoints) for Jupyter web applications like Jupyter […]

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Debian 12 — bird — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — bird — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-12066 CVE-2019-16159 Upstream summary: BIRD Internet Routing Daemon before 1.6.4 allows local users to cause a denial of service (stack consumption and daemon crash) via BGP mask expressions […]

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Windows Server 2019 — KB5029653 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5029653 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5029653 • MSRC update-guide entry Related CVEs: CVE-2023-36873 CVE-2023-36899 Affected components: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Debian 12 — lprng — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — lprng — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0136 Upstream summary: psbanner in the LPRng package allows local users to overwrite arbitrary files via a symbolic link attack on the /tmp/before file. Table of contents Symptom […]

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Ubuntu 18.04 — opencv — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — opencv — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 15 August 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7247-1 Related CVEs: CVE-2019-14493 CVE-2019-16249 CVE-2019-19624 CVE-2023-2617 CVE-2023-2618 CVE-2019-15939 CVE-2019-14491 CVE-2017-18009  +1 more Upstream summary: It was discovered that OpenCV did not properly manage certain XML data, leading to a […]

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Windows Server 2019 — KB5029253 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5029253 — 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 KB5029253 • MSRC update-guide entry Related CVEs: CVE-2023-36910 CVE-2023-36911 CVE-2023-35385 CVE-2023-35359 CVE-2023-36882 CVE-2023-36889 CVE-2023-36900 CVE-2023-36903  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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NetBSD 9.4 — pidgin — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — pidgin — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2009-1373 CVE-2009-1374 CVE-2009-1375 CVE-2009-1376 CVE-2016-2371 CVE-2016-2368 CVE-2016-2376 CVE-2016-1000030  +12 more Upstream summary: pkgsrc audit-packages flagged pidgin<2.4.3 for vulnerability class 'arbitrary-code-execution'. Reference: http://archives.neohapsis.com/archives/bugtraq/2008-06/0225.html Table of contents Symptom & Impact Environment […]

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