🟡 Medium ⏱ 10–30 min Last verified: 10 November 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2020-25032 CVE-2024-1681 CVE-2024-6221 CVE-2024-6839 CVE-2024-6844 CVE-2024-6866 Upstream summary: An issue was discovered in Flask-CORS (aka CORS Middleware for Flask) before 3.0.9. It allows ../ directory traversal to access […]
Introduction This tutorial covers How to Configure Audit Logging on SLES 16 on SLES 16. SLES 16 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 16 system is up to date: zypper refresh […]
WebSockets provide full-duplex communication channels over a single TCP connection, enabling real-time features such as live chat, push notifications, collaborative editing, gaming, and live dashboards. Unlike standard HTTP, which is request-response, WebSocket connections are persistent and bidirectional — the server can push data to clients at any time without a client request. Nginx can act […]
🟢 Low ⏱ 5–15 min Last verified: 10 November 2025 Affected versions: Debian 13 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2022-3560 Upstream summary: A flaw was found in pesign. The pesign package provides a systemd service used to start the pesign daemon. This service unit runs a script to […]
Introduction This tutorial covers How to Manage Systemd Services on SLES 16 on SLES 16. SLES 16 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 16 system is up to date: zypper refresh […]
🟡 Medium ⏱ 5–30 min Last verified: 10 November 2025 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~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 […]
🟡 Medium ⏱ 10–30 min Last verified: 10 November 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2007-0317 CVE-2007-2318 CVE-2013-4206 CVE-2013-4207 CVE-2013-4208 CVE-2013-4852 CVE-2019-5429 CVE-2023-48795 +1 more Upstream summary: Format string vulnerability in the LogMessage function in FileZilla before 3.0.0-beta5 allows remote attackers to cause […]
Even when free trusted certificates from Let’s Encrypt are available for public domains, self-signed certificates serve important roles: development environments, internal network services, IoT devices, automated testing pipelines, and machine-to-machine communication within a private network. Unlike Let’s Encrypt certificates, self-signed certificates require no domain ownership verification or outbound internet access — they can be generated […]
🟠 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-2025-48945 Upstream summary: pkgsrc audit-packages flagged py{39,310,311,312,313}-cares<4.9.0 for vulnerability class 'use-after-free'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2025-48945 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]
🟢 Low ⏱ 5–15 min Last verified: 10 November 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2004-0851 Upstream summary: The (1) write_list and (2) dump_curr_list functions in Net-Acct before 0.71 allows local users to overwrite arbitrary files via a symlink attack on temporary files. […]
