Package Management

Oracle Linux 8 — ruby:2.5 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — ruby:2.5 — vulnerability — patch and remediation guide (ELSA-2023-7025)

🟡 Medium   ⏱ 10–30 min  Last verified: 20 December 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7025 Related CVEs: CVE-2023-28756 CVE-2022-28739 CVE-2021-33621 CVE-2023-28755 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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How to Configure Nginx as a TCP/UDP Load Balancer on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure Nginx as a TCP/UDP Load Balancer on Debian 12 (ON-DEBIAN-12)

Introduction How to Configure Nginx as a TCP/UDP Load Balancer on Debian 12 is a fundamental operation for any administrator maintaining a Debian 12 Bookworm server. Debian 12 Bookworm ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ […]

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How to Install Rust and Cargo on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install Rust and Cargo on RHEL 9

Rust is a systems programming language focused on memory safety, performance, and concurrency. Rust achieves memory safety without a garbage collector through its ownership and borrowing system, which enforces at compile time that there are no dangling pointers, buffer overflows, or data races. This makes Rust suitable for building high-performance systems software where both safety […]

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Windows Server 2019 — KB5023696 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5023696 — 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 KB5023696 • 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 Install Zabbix on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Install Zabbix on FreeBSD 14

Introduction FreeBSD 14 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install zabbix on freebsd 14 on FreeBSD 14 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. This […]

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How to Configure Jenkins Pipelines on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Configure Jenkins Pipelines on FreeBSD 14

Introduction FreeBSD 14 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up configure jenkins pipelines on freebsd 14 on FreeBSD 14 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. […]

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NetBSD 9.4 — xine-lib-1rc[0-3]* — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — xine-lib — vulnerability — 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 Upstream summary: pkgsrc audit-packages flagged xine-lib for vulnerability class 'remote-file-write'. Reference: http://www.xinehq.de/index.php/security/XSA-2004-3 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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IBM AIX 7.1 — CVE-2023-33855 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2023-33855 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 10–30 min  Last verified: 19 December 2023 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2023-33855, IBM Support Bulletin CVE: CVE-2023-33855 NVD summary: Under certain conditions, RSA operations performed by IBM Common Cryptographic Architecture (CCA) 7.0.0 through 7.5.36 may exhibit non-constant-time behavior. This could allow a remote […]

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openSUSE Tumbleweed — connman — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — connman — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2022:10076-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-32292 CVE-2022-23097 CVE-2017-12865 CVE-2022-32293 CVE-2022-23098 CVE-2021-33833 CVE-2023-28488 CVE-2021-26675  +1 more Upstream summary: In ConnMan through 1.41, remote attackers able to send HTTP requests to the […]

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How to Install Nginx on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Install Nginx on FreeBSD 14

Introduction This guide explains how to Install Nginx on FreeBSD 14 on FreeBSD 14. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege separation. […]

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