🟠 High ⏱ 15–60 min Last verified: 2 July 2025 Affected versions: CentOS Stream 9 📖 ~4 min read • Source: AlmaLinux/RHEL advisory ALSA-2025:8635 Related CVEs: CVE-2025-40907 Upstream summary: FastCGI Perl bindings. Security Fix(es): * perl-fcgi: FCGI versions 0.44 through 0.82, for Perl, include a vulnerable version of the FastCGI fcgi2 (aka fcgi) library […]
Postfix is a popular, high-performance Mail Transfer Agent (MTA) that routes and delivers email. This guide installs and configures Postfix as an outgoing SMTP server on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A registered domain name DNS MX records pointing to your server A user with […]
🔴 Critical ⏱ 15–90 min Last verified: 2 July 2025 Affected versions: SLES 15 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2019:1836-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-12815 CVE-2019-19270 CVE-2020-9272 CVE-2020-9273 CVE-2023-51713 CVE-2024-48651 CVE-2015-3306 CVE-2016-3125 +4 more Upstream summary: An arbitrary file copy vulnerability in mod_copy in ProFTPD up to 1.3.5b allows […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 0.18.0-r0 📖 ~4 min read • Source: Alpine secdb entry — prometheus-blackbox-exporter 0.18.0-r0 Related CVEs: CVE-2020-16248 Upstream summary: Alpine community repository for vv3.20 ships prometheus-blackbox-exporter 0.18.0-r0 which addresses CVE-2020-16248. Table of contents Symptom & Impact Environment […]
🟡 Medium ⏱ 5–30 min Last verified: 2 July 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: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2026:1419-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-9615 Upstream summary: A flaw was found in NetworkManager. The NetworkManager package allows access to files that may belong to other users. NetworkManager allows […]
🟠 High ⏱ 15–60 min Last verified: 2 July 2025 Affected versions: Oracle Linux 9 📖 ~4 min read • Source: ELSA advisory ELSA-2025-22011 Related CVEs: CVE-2025-52881 CVE-2025-58183 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]
Docker Engine allows you to build, run, and manage containerised applications. This guide installs the latest Docker Engine (25.x) on Ubuntu 24.04 LTS using the official Docker repository. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo privileges Step 1 – Remove Old Docker Versions Remove any unofficial […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2025:15167-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-3155 Upstream summary: A flaw was found in Yelp. The Gnome user help application allows the help document to execute arbitrary scripts. This vulnerability […]
Introduction Setting up secure mysql on centos stream 10 on a CentOS Stream 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Secure MySQL on CentOS Stream 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]
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