Introduction This guide explains how to Configure nftables Packet Filtering on Debian 12 on Debian 12 Bookworm. Debian Bookworm uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 12 install with the […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 6.02-r0 📖 ~4 min read • Source: Alpine secdb entry — xscreensaver 6.02-r0 Related CVEs: CVE-2021-34557 Upstream summary: Alpine community repository for vv3.18 ships xscreensaver 6.02-r0 which addresses CVE-2021-34557. Table of contents Symptom & Impact Environment […]
🟠 High ⏱ 15–60 min Last verified: 24 November 2023 Affected versions: Oracle Linux 9 📖 ~4 min read • Source: ELSA advisory ELSA-2024-12262 Related CVEs: CVE-2023-39326 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
🟠 High ⏱ 30–90 min Last verified: 24 November 2023 Affected versions: IBM AIX 7.3 📖 ~4 min read • Source: NVD CVE-2023-30449, IBM Support Bulletin CVE: CVE-2023-30449 NVD summary: IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 10.5, 11.1, and 11.5 is vulnerable to denial of service with a specially […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 0.9.16-r2 📖 ~4 min read • Source: Alpine secdb entry — x11vnc 0.9.16-r2 Related CVEs: CVE-2020-29074 Upstream summary: Alpine community repository for vv3.18 ships x11vnc 0.9.16-r2 which addresses CVE-2020-29074. Table of contents Symptom & Impact Environment […]
🟠 High ⏱ 15–60 min Last verified: 24 November 2023 Affected versions: FreeBSD 14 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: MariaDB — Nullpointer dereference Related CVEs: CVE-2016-9843 CVE-2018-0739 CVE-2018-25032 CVE-2018-2767 CVE-2018-3054 CVE-2018-3056 CVE-2018-3058 CVE-2018-3060 +12 more Upstream summary: The MariaDB project reports: MariaDB Server is vulnerable to Denial of Service. […]
🟠 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-2021-29376 Upstream summary: pkgsrc audit-packages flagged ircII<20030313 for vulnerability class 'remote-code-execution'. Reference: http://eterna23.net/ircii/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]
Introduction This guide explains how to Set Up a Node.js PM2 Process Manager on Debian 12 on Debian 12 Bookworm. Debian Bookworm uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 12 […]
Introduction This tutorial demonstrates how to Configure OpenSCAP Security Compliance 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 with the […]
🟡 Medium ⏱ 10–30 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 p5-XML-RSS<1.31 for vulnerability class 'markup-injection-vulnerability'. Reference: http://search.cpan.org/src/ABH/XML-RSS-1.31/Changes Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]
