Logging Monitoring

Debian 12 — libspiro — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libspiro — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 January 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-19847 Upstream summary: Libspiro through 20190731 has a stack-based buffer overflow in the spiro_to_bpath0() function in spiro.c. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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NetBSD 9.4 — isc-dhclient — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — isc-dhclient — multiple vulnerabilities (3 CVEs) — 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 Related CVEs: CVE-2009-0692 CVE-2021-25217 CVE-2018-5732 Upstream summary: pkgsrc audit-packages flagged isc-dhclient>=4<4.1.0p1 for vulnerability class 'remote-system-access'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0692 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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Windows Server 2016 — KB5028232 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5028232 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5028232 • MSRC update-guide entry Related CVEs: CVE-2023-35352 CVE-2023-35365 CVE-2023-35366 CVE-2023-35367 CVE-2023-32057 CVE-2023-35297 CVE-2023-21756 CVE-2023-33166  +12 more Affected components: Windows Server 2016 (Server Core installation) Windows Server 2016 Table of contents Symptom […]

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Ubuntu 20.04 — libcue — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libcue — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 January 2024 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6423-1 Related CVEs: CVE-2023-43641 Upstream summary: It was discovered that CUE incorrectly handled certain files. An attacker could possibly use this issue to expose sensitive information or execute arbitrary code. […]

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NetBSD 9.4 — gzip-base — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — gzip-base — multiple vulnerabilities (5 CVEs) — 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 Related CVEs: CVE-2006-4336 CVE-2006-4337 CVE-2006-4334 CVE-2006-4335 CVE-2006-4338 Upstream summary: pkgsrc audit-packages flagged gzip-base<1.2.4b for vulnerability class 'remote-code-execution'. Reference: http://www.securityfocus.com/bid/3712 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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

Oracle Linux 9 — emacs — vulnerability — patch and remediation guide (ELSA-2023-2074)

🟠 High   ⏱ 15–60 min  Last verified: 9 January 2024 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2074 Related CVEs: CVE-2023-28617 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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How to Secure MySQL on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Secure MySQL on CentOS Stream 9

Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying secure mysql on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Secure MySQL 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 dnsmasq on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Configure dnsmasq on FreeBSD 14

Introduction How to Configure dnsmasq 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, and […]

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FreeBSD 14 — zh-xemacs — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — zh-xemacs — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 January 2024 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: emacs — movemail format string vulnerability Related CVEs: CVE-2005-0100 Upstream summary: Max Vozeler discovered several format string vulnerabilities in the movemail utility of Emacs. They can be exploited when connecting […]

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NetBSD 9.4 — newt — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — newt — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 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 newt<0.52.11 for vulnerability class 'denial-of-service'. Reference: http://secunia.com/advisories/36810/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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