Package Management

Windows Server 2019 — KB5022784 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5022784 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5022784 • MSRC update-guide entry Related CVEs: CVE-2023-21808 CVE-2023-21722 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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Ubuntu 22.04 — libhtmlcleaner-java — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — libhtmlcleaner-java — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 February 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6683-1 Related CVEs: CVE-2023-34624 Upstream summary: It was discovered that HtmlCleaner incorrectly handled certain html documents. An attacker could possibly use this issue to cause a denial of service via […]

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Windows Server 2019 — KB5023698 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5023698 — 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 KB5023698 • MSRC update-guide entry Related CVEs: CVE-2023-21708 CVE-2023-23404 CVE-2023-23411 CVE-2023-23415 CVE-2023-23416 CVE-2023-1017 CVE-2023-1018 CVE-2023-23385  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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How to Register a GitHub Actions Self-Hosted Runner on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Register a GitHub Actions Self-Hosted Runner on FreeBSD 12

Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up register a github actions self-hosted runner on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from […]

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Ubuntu 22.04 — debian-goodies — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — debian-goodies — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 February 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6714-1 Related CVEs: CVE-2023-27635 Upstream summary: It was discovered that debmany in Debian Goodies incorrectly handled certain deb files. An attacker could possibly use this issue to execute arbitrary shell […]

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openSUSE Tumbleweed — python38-mitmproxy — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python38-mitmproxy — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2022-24766 Upstream summary: mitmproxy is an interactive, SSL/TLS-capable intercepting proxy. In mitmproxy 7.0.4 and below, a malicious client or server is able to perform HTTP […]

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SLES 15 — ruby2.5-rubygem-nokogiri — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — ruby2.5-rubygem-nokogiri — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 24 February 2023 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:3890-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-24836 CVE-2022-29181 CVE-2018-3740 CVE-2019-5477 CVE-2015-8241 CVE-2015-8317 CVE-2016-5131 CVE-2017-15412  +3 more Upstream summary: Nokogiri is an open source XML and HTML library for Ruby. Nokogiri `< […]

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SLES 15 — libsasl2 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libsasl2 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 24 February 2023 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:1151-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-24407 CVE-2019-19906 CVE-2020-8032 CVE-2009-0688 Upstream summary: In Cyrus SASL 2.1.17 through 2.1.27 before 2.1.28, plugins/sql.c does not escape the password for a SQL INSERT or […]

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Rocky Linux 8 — python-dns — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — python-dns — multiple vulnerabilities (2 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-2023:5994 Related CVEs: CVE-2023-40217 CVE-2023-32681 Upstream summary: Python is an interpreted, interactive, object-oriented programming language that supports modules, classes, exceptions, high-level dynamic data types, and dynamic typing. The python27 packages […]

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

Oracle Linux 9 — haproxy — vulnerability — patch and remediation guide (ELSA-2024-1142)

🟡 Medium   ⏱ 10–30 min  Last verified: 24 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-1142 Related CVEs: CVE-2023-40225 CVE-2023-45539 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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