Security Hardening

openSUSE Tumbleweed — heroic-games-launcher — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — heroic-games-launcher — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • May 12, 2026
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2026-28292 CVE-2026-34601 CVE-2026-33036 CVE-2026-27606 CVE-2026-26278 CVE-2026-22029 CVE-2026-3449 Upstream summary: `simple-git`, an interface for running git commands in any node.js application, has an issue in versions […]

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How to Set Up Chef Infra Client on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Set Up Chef Infra Client on FreeBSD 15

Introduction FreeBSD 15 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up set up chef infra client on FreeBSD 15 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. This […]

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Debian 12 — libapache-session-browseable-perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libapache-session-browseable-perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • May 12, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 12 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-36659 CVE-2026-8503 Upstream summary: In Apache::Session::Browseable before 1.3.6, validity of the X.509 certificate is not checked by default when connecting to remote LDAP backends, because the default configuration […]

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Ubuntu 24.04 — python-multipart — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — python-multipart — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • May 12, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 12 May 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8027-1 Related CVEs: CVE-2026-24486 CVE-2024-53981 CVE-2024-24762 Upstream summary: It was discovered that Python-Multipart incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause Python-Multipart to consume […]

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Common Problems 115911

Ubuntu 26.04 LTS – do-release-upgrade fails because of third-party repositories – Fix & Prevention

  • May 12, 2026
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 12 May 2026 Affected versions: Ubuntu 26.04 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 […]

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Windows Server 2016 — KB5063877 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5063877 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5063877 • MSRC update-guide entry Related CVEs: CVE-2025-50177 CVE-2025-53766 CVE-2025-53778 CVE-2025-49751 CVE-2025-49743 CVE-2025-49761 CVE-2025-49762 CVE-2025-50153  +12 more Affected components: Windows Server 2016 Microsoft summary: Use after free in Windows Message Queuing allows […]

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Ubuntu 22.04 — node-katex — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — node-katex — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • May 12, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 12 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7572-1 Related CVEs: CVE-2024-28246 CVE-2024-28245 CVE-2025-23207 CVE-2024-28243 Upstream summary: Juho Forsén discovered that KaTeX did not correctly handle certain inputs, which could lead to an infinite loop. If a user […]

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Ubuntu 22.04 — mako — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — mako — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • May 12, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 12 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8234-1 Related CVEs: CVE-2026-41205 CVE-2022-40023 Upstream summary: It was discovered that Mako incorrectly handled URIs with double-slash prefixes in TemplateLookup. A remote attacker could possibly use this issue to obtain […]

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Ubuntu 16.04 — gst-plugins-base1.0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — gst-plugins-base1.0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • May 12, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 12 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7827-1 Related CVEs: CVE-2025-47808 CVE-2025-47806 CVE-2025-47807 CVE-2024-47542 CVE-2023-37328 CVE-2024-47615 CVE-2024-47538 CVE-2024-47607  +12 more Upstream summary: Shaun Mirani discovered that GStreamer Base Plugins did not correctly handle certain memory operations. An […]

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How to Install PHP 8.3 CLI on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Install PHP 8.3 CLI on FreeBSD 15

Introduction This guide explains how to Install PHP 8.3 CLI on FreeBSD 15 on FreeBSD 15. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained […]

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