🔴 Critical ⏱ 5–30 min Last verified: 21 November 2023 Affected versions: Debian 12 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]
Introduction This tutorial demonstrates how to Set Up Lynis Security Auditing 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 […]
🟢 Low ⏱ 5–15 min Last verified: 21 November 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2015-5723 Upstream summary: Doctrine Annotations before 1.2.7, Cache before 1.3.2 and 1.4.x before 1.4.2, Common before 2.4.3 and 2.5.x before 2.5.1, ORM before 2.4.8 or 2.5.x before 2.5.1, […]
🟢 Low ⏱ 5–15 min Last verified: 21 November 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2023-26112 Upstream summary: All versions of the package configobj are vulnerable to Regular Expression Denial of Service (ReDoS) via the validate function, using (.+?)\((.*)\). **Note:** This is only […]
🟡 Medium ⏱ 5–30 min Last verified: 21 November 2023 Affected versions: Ubuntu 20.04 LTS 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]
🟢 Low ⏱ 5–15 min Last verified: 21 November 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2010-0829 Upstream summary: Multiple array index errors in set.c in dvipng 1.11 and 1.12, and teTeX, allow remote attackers to cause a denial of service (application crash) or […]
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2023:3189-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-25697 Upstream summary: A privilege escalation flaw was found in the Xorg-x11-server due to a lack of authentication for X11 clients. This flaw allows […]
Introduction This guide explains how to Install and Configure Cassandra 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 ⏱ 5–30 min Last verified: 21 November 2023 Affected versions: Ubuntu 22.04 LTS Ubuntu 22.04 Ubuntu 22.04.4 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention […]
🟠 High ⏱ 15–60 min Last verified: 21 November 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2018-1000215 CVE-2019-1010239 CVE-2019-11834 CVE-2019-11835 CVE-2023-26819 CVE-2023-50471 CVE-2023-50472 CVE-2023-53154 +2 more Upstream summary: Dave Gamble cJSON version 1.7.6 and earlier contains a CWE-772 vulnerability in cJSON library that can […]
