Package Management

Alpine Linux 3.18 — ruby-activesupport — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — ruby-activesupport — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 7.0.4.3-r0 📖 ~4 min read  •  Source: Alpine secdb entry — ruby-activesupport 7.0.4.3-r0 Related CVEs: CVE-2023-28120 CVE-2023-22796 Upstream summary: Alpine community repository for vv3.18 ships ruby-activesupport 7.0.4.3-r0 which addresses CVE-2023-28120. Table of contents Symptom & Impact […]

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Debian 11 — libhtmlcleaner-java — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libhtmlcleaner-java — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 June 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-34624 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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Debian 12 — x11-xkb-utils — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — x11-xkb-utils — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 29 June 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-15853 CVE-2018-15859 CVE-2018-15861 CVE-2018-15863 Upstream summary: Endless recursion exists in xkbcomp/expr.c in xkbcommon and libxkbcommon before 0.8.1, which could be used by local attackers to crash xkbcommon users […]

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Ubuntu 22.04 — openjdk-18 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — openjdk-18 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 29 June 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5546-1 Related CVEs: CVE-2022-21426 CVE-2022-21434 CVE-2022-21443 CVE-2022-21449 CVE-2022-21476 CVE-2022-21496 CVE-2022-21540 CVE-2022-21541  +2 more Upstream summary: Neil Madden discovered that OpenJDK did not properly verify ECDSA signatures. A remote attacker could […]

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Windows Server 2016 — KB5032254 — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5032254 — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5032254 • MSRC update-guide entry Related CVEs: CVE-2023-36397 CVE-2023-36036 CVE-2023-36428 CVE-2023-36425 CVE-2023-36424 CVE-2023-36423 CVE-2023-36705 CVE-2023-36403  +6 more Affected components: Windows Server 2016 Windows Server 2016 (Server Core installation) Table of contents Symptom […]

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

Oracle Linux 9 — thunderbird — vulnerability — patch and remediation guide (ELSA-2022-4892)

🟠 High   ⏱ 15–60 min  Last verified: 29 June 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-4892 Related CVEs: CVE-2022-31747 CVE-2022-31741 CVE-2022-1834 CVE-2022-31737 CVE-2022-31738 CVE-2022-31742 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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

Rocky Linux 8 — python-mock — 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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How to Set Up a Private Container Registry on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Set Up a Private Container Registry on Oracle Linux 9

Introduction How to Set Up a Private Container Registry 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 […]

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