December 2023 - Page 27 of 89

Alpine Linux 3.19 — aom — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — aom — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 3.1.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — aom 3.1.1-r0 Related CVEs: CVE-2021-30473 CVE-2021-30474 CVE-2021-30475 Upstream summary: Alpine main repository for vv3.19 ships aom 3.1.1-r0 which addresses CVE-2021-30473. Table of contents Symptom & […]

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Windows Server 2022 — KB5030265 — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5030265 — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5030265 • MSRC update-guide entry Related CVEs: CVE-2023-38161 CVE-2023-38152 CVE-2023-38149 CVE-2023-38144 CVE-2023-38143 CVE-2023-38142 CVE-2023-38141 CVE-2023-38139  +4 more Affected components: Windows Server 2022 Table of contents Symptom & Impact Environment & Reproduction Root […]

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How to Configure XFS on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure XFS on CentOS Stream 9

Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying configure xfs on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure XFS on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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How to Configure Network Attached Storage on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Configure Network Attached Storage on FreeBSD 14

Introduction This guide explains how to Configure Network Attached Storage 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 […]

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How to Configure ZFS Pool Management on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Configure ZFS Pool Management on FreeBSD 14

Introduction This guide explains how to Configure ZFS Pool Management 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 […]

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NetBSD 9.4 — ruby-faye-websocket — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ruby-faye-websocket — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2020-15133 Upstream summary: pkgsrc audit-packages flagged ruby{25,26,27}-faye-websocket<0.11.0 for vulnerability class 'improper-certificate-validation'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-15133 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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FreeBSD 14 — py38-slixmpp — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — py38-slixmpp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 December 2023 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Slixmpp — Lack of SSL Certificate hostname validation in XMLStream Related CVEs: CVE-2022-45197 Upstream summary: NIST reports: Slixmpp before 1.8.3 lacks SSL Certificate hostname validation in XMLStream, allowing an attacker […]

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NetBSD 9.4 — py-libtaxii — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — py-libtaxii — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2020-27197 Upstream summary: pkgsrc audit-packages flagged py{27,36,37,38,39}-libtaxii<1.1.118 for vulnerability class 'server-side-request-forgery'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-27197 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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

How to Install Nagios Core on FreeBSD 14

Introduction How to Install Nagios Core on FreeBSD 14 is a core administration task for any FreeBSD 14 server operator. FreeBSD 14 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, […]

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