🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2021:4256 Related CVEs: CVE-2020-18032 Upstream summary: Graphviz is open-source graph-visualization software. Graph visualization is a way of representing structural information as diagrams of abstract graphs and networks. It has important applications in […]
🟡 Medium ⏱ 10–30 min Last verified: 6 November 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5969-1 Related CVEs: CVE-2021-45909 CVE-2021-45910 CVE-2021-45911 Upstream summary: It was discovered that gif2apng contained multiple heap-base overflows. An attacker could potentially exploit this to cause a denial of service (system […]
Load balancing distributes incoming client requests across multiple backend servers, preventing any single server from becoming a bottleneck and improving both throughput and fault tolerance. Nginx’s built-in load balancing is highly capable and available in the open-source version without any additional modules for most common use cases. On RHEL 8, you can configure Nginx to […]
🟠 High ⏱ 15–60 min Last verified: 5 November 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2019-1279 Related CVEs: CVE-2018-16878 CVE-2018-16877 CVE-2019-3885 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]
🟠 High ⏱ 5–30 min Last verified: 5 November 2021 Affected versions: Ubuntu 14.04 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 […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2021:1586 Related CVEs: CVE-2019-13012 CVE-2020-13543 CVE-2020-13584 CVE-2020-16125 CVE-2020-9948 CVE-2020-9951 CVE-2020-9983 CVE-2021-1817 +9 more Upstream summary: GNOME is the default desktop environment of AlmaLinux. The following packages have been upgraded to a later […]
Introduction How to Mount NFS Shares on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, […]
🔴 Critical ⏱ 5–30 min Last verified: 5 November 2021 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: 5 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: GNU Anubis buffer overflows and format string vulnerabilities Related CVEs: CVE-2004-0353 CVE-2004-0354 Upstream summary: Ulf Härnhammar discovered several vulnerabilities in GNU Anubis. Unsafe uses of `sscanf'. The `%s' format specifier […]
How to Build PowerShell Script Modules on Windows Server 2012 R2 PowerShell script modules are the standard packaging mechanism for distributing reusable functions, workflows, and cmdlets within an organization. A script module is simply a .psm1 file — a PowerShell script that defines functions and controls which of them are exported for use by consumers […]
