Package Management

How to Secure Nginx with Let's Encrypt on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Secure Nginx with Let’s Encrypt on FreeBSD 14

Introduction This guide explains how to Secure Nginx with Let’s Encrypt 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 […]

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Debian 12 — python-future — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — python-future — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 January 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-40899 Upstream summary: An issue discovered in Python Charmers Future 0.18.2 and earlier allows remote attackers to cause a denial of service via crafted Set-Cookie header from malicious […]

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

Debian 12 — pdfcrack — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 January 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-22336 Upstream summary: An issue was discovered in pdfcrack 0.17 thru 0.18, allows attackers to execute arbitrary code via a stack overflow in the MD5 function. Table of […]

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Windows Server 2019 — KB5022353 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5022353 — 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 KB5022353 • MSRC update-guide entry Related CVEs: CVE-2023-21535 CVE-2023-21546 CVE-2023-21543 CVE-2023-21548 CVE-2023-21555 CVE-2023-21556 CVE-2023-21561 CVE-2023-21679  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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Debian 11 — tinyssh — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — tinyssh — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 January 2024 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-48795 Upstream summary: The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks such that […]

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

How to Configure syslog on FreeBSD 14

Introduction How to Configure syslog 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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Debian 11 — hsqldb1.8.0 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — hsqldb1.8.0 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 January 2024 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-1183 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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NetBSD 9.4 — openssl — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — openssl — multiple vulnerabilities (20 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-2007-5135 CVE-2009-1377 CVE-2009-1378 CVE-2009-1379 CVE-2010-2939 CVE-2010-3864 CVE-2014-0195 CVE-2021-3449  +12 more Upstream summary: pkgsrc audit-packages flagged openssl<0.9.6e for vulnerability class 'remote-root-shell'. Reference: http://www.openssl.org/news/secadv_20020730.txt Table of contents Symptom & Impact Environment […]

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Debian 12 — openjfx — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — openjfx — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 2 January 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-4901 CVE-2015-4906 CVE-2015-4908 CVE-2015-4916 CVE-2016-3498 CVE-2017-10086 CVE-2017-10114 CVE-2018-2581  +5 more Upstream summary: Unspecified vulnerability in Oracle Java SE 8u60 allows remote attackers to affect confidentiality, integrity, and availability […]

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How to Install Graylog Log Management on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install Graylog Log Management on Debian 12

Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up install graylog log management 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 carefully and […]

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