Apache virtual hosts are the mechanism by which a single Apache HTTP Server instance serves multiple websites, distinguishing between them using the ServerName directive and the incoming Host HTTP header. Name-based virtual hosting (the most common type) allows hundreds of domains to share a single IP address, with Apache routing each request to the correct […]
Nginx server blocks (the equivalent of Apache virtual hosts) allow a single Nginx instance to serve multiple websites from the same IP address, distinguished by the server_name directive. Each block is an independent configuration defining the domain name, document root, SSL settings, URL rewrite rules, logging, and location-specific behaviour. On RHEL 9, server block files […]
🟢 Low ⏱ 5–15 min Last verified: 6 November 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2003-0358 CVE-2003-0359 Upstream summary: Buffer overflow in (1) nethack 3.4.0 and earlier, and (2) falconseye 1.9.3 and earlier, which is based on nethack, allows local users to gain […]
🟡 Medium ⏱ 5–30 min Last verified: 6 November 2025 Affected versions: Debian 13 (Trixie) 📖 ~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: 6 November 2025 Affected versions: Debian 13 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2020-36843 Upstream summary: The implementation of EdDSA in EdDSA-Java (aka ed25519-java) through 0.3.0 exhibits signature malleability and does not satisfy the SUF-CMA (Strong Existential Unforgeability under Chosen Message Attacks) […]
Apache HTTP Server (httpd) is the most historically significant web server in the history of the internet, powering billions of websites since 1995. On RHEL 9, Apache is available as httpd from the AppStream repository and integrates with SELinux, firewalld, and systemd. Apache’s module architecture makes it highly extensible: mod_rewrite for URL manipulation, mod_ssl for […]
🟠 High ⏱ 15–60 min Last verified: 6 November 2025 Affected versions: SLES 16 📖 ~4 min read • Source: SUSE advisory RHSA-2024:6963 (see also SUSE bugzilla) Related CVEs: CVE-2024-6655 Upstream summary: A flaw was found in the GTK library. Under certain conditions, it is possible for a library to be injected into a […]
🟡 Medium ⏱ 10–30 min Last verified: 6 November 2025 Affected versions: Oracle Linux 9 📖 ~4 min read • Source: ELSA advisory ELSA-2026-0700 Related CVEs: CVE-2025-46397 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 ⏱ 5–30 min Last verified: 6 November 2025 Affected versions: Ubuntu 24.04 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 […]
Nginx (pronounced “engine-x”) is the most widely deployed web server in the world, powering everything from small personal websites to the largest content delivery networks. On RHEL 9, Nginx is available from the AppStream repository and integrates natively with SELinux, firewalld, and systemd. Its event-driven, non-blocking architecture means a single Nginx worker process can handle […]
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