Linux

Debian 12 — glibc — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — glibc — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 29 September 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-1999-0199 CVE-2002-0391 CVE-2002-0651 CVE-2002-0684 CVE-2002-1146 CVE-2003-0028 CVE-2003-0689 CVE-2004-0968  +12 more Upstream summary: manual/search.texi in the GNU C Library (aka glibc) before 2.2 lacks a statement about the unspecified […]

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

Rocky Linux 8 — python-ipaddress — 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 Install pip and Manage Python Packages on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install pip and Manage Python Packages on Debian 12

Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up install pip and manage python packages on debian 12 on Bookworm leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bookworm freeze. Follow each step […]

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How to Set Up STONITH for Cluster Fencing on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up STONITH for Cluster Fencing on CentOS Stream 9

Introduction This tutorial demonstrates how to Set Up STONITH for Cluster Fencing on CentOS Stream 9 on CentOS Stream 9. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 9 system […]

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Debian 12 — jboss-xnio — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — jboss-xnio — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 28 September 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-14340 CVE-2022-0084 CVE-2023-5685 Upstream summary: A vulnerability was discovered in XNIO where file descriptor leak caused by growing amounts of NIO Selector file handles between garbage collection cycles. […]

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AlmaLinux 8 — yajl — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — yajl — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:7057 Related CVEs: CVE-2023-33460 CVE-2022-24795 Upstream summary: Yet Another JSON Library (YAJL) is a small event-driven (SAX-style) JSON parser written in ANSI C, and a small validating JSON generator. Security Fix(es): * […]

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Alpine Linux edge — mpfr4 — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — mpfr4 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 4.2.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — mpfr4 4.2.1-r0 Related CVEs: CVE-2023-25139 Upstream summary: Alpine main repository for vedge ships mpfr4 4.2.1-r0 which addresses CVE-2023-25139. Table of contents Symptom & Impact Environment […]

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Oracle Linux 8 — python-cryptography — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python-cryptography — vulnerability — patch and remediation guide (ELSA-2025-14553)

🟡 Medium   ⏱ 10–30 min  Last verified: 28 September 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-14553 Related CVEs: CVE-2023-49083 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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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2024-12159)

🟠 High   ⏱ 15–60 min  Last verified: 28 September 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-12159 Related CVEs: CVE-2020-26555 CVE-2023-6111 CVE-2023-35827 CVE-2023-25775 CVE-2023-46813 CVE-2023-6622 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Debian 12 — symfony — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — symfony — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 September 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-2383 CVE-2008-7220 CVE-2015-2308 CVE-2015-2309 CVE-2015-4050 CVE-2015-8124 CVE-2015-8125 CVE-2016-1902  +12 more Upstream summary: The Prototype (prototypejs) framework before 1.5.1 RC3 exchanges data using JavaScript Object Notation (JSON) without an […]

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