May 2020 - Page 2 of 69

Ubuntu 20.04 — grub2 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — grub2 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

  • May 31, 2020
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4432-2 Related CVEs: https://launchpad.net/bugs/1889556 https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/GRUB2SecureBootBypass CVE-2020-10713 CVE-2020-14308 CVE-2020-14309 CVE-2020-14310 CVE-2020-14311 CVE-2020-15705  +2 more Upstream summary: USN-4432-1 fixed vulnerabilities in GRUB2 affecting Secure Boot environments. Unfortunately, the update introduced regressions for […]

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How to Install Node.js and npm on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Install Node.js and npm on Windows Server 2012 R2

How to Install Node.js and npm on Windows Server 2012 R2 Node.js is the JavaScript runtime built on Chrome’s V8 engine, and npm is its package manager providing access to hundreds of thousands of open-source packages. Installing Node.js on Windows Server 2012 R2 enables you to run server-side JavaScript applications, build tools (Webpack, Gulp, Grunt), […]

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How to Configure Jail Networking on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure Jail Networking on FreeBSD 12

Introduction This guide explains how to Configure Jail Networking on FreeBSD 12 on FreeBSD 12. 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 privilege […]

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Ubuntu 14.04 — mariadb-5.5 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — mariadb-5.5 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • May 31, 2020
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3957-2 Related CVEs: CVE-2019-2614 CVE-2019-2627 Upstream summary: USN-3957-1 fixed multiple vulnerabilities in MySQL. This update provides the corresponding fixes for CVE-2019-2614 and CVE-2019-2627 in MariaDB 5.5. Ubuntu 14.04 LTS has […]

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Cómo funcionan los enlaces de ciclo de vida de Vue.js — step-by-step Javascript tutorial on Progressive Robot

Cómo funcionan los enlaces de ciclo de vida de Vue.js

Los enlaces de ciclo de vida son una ventana para ver cómo la biblioteca que está usando funciona en segundo plano. Los enlaces de ciclo de vida le permiten saber cuándo se crea su componente, se añade al DOM, se actualiza o se destruye. Este artículo le explicará los enlaces de creación, montaje, actualización y destrucción.

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SLES 15 — cf-cli — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — cf-cli — vulnerability — patch and remediation guide

  • May 31, 2020
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2019:1220-1 Related CVEs: CVE-2019-3781 Upstream summary: Cloud Foundry CLI, versions prior to v6.43.0, improperly exposes passwords when verbose/trace/debugging is turned on. A local unauthenticated or remote authenticated malicious user with access to […]

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How To Secure Node.js Applications with a Content Security Policy — step-by-step Javascript tutorial on Progressive Robot

How To Secure Node.js Applications with a Content Security Policy

A CSP is an HTTP header that provides an extra layer of security against code-injection attacks, such as cross-site scripting (XSS), clickjacking, and other similar exploits. It facilitates the creation of an “allowlist” of trusted content and blocks the execution of code from sources not present in the allowlist. In this tutorial, you’ll review the different protections the CSP header offers by implementing one in a Node.js application. You’ll also collect JSON reports of CSP violations.

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How To Install and Configure ownCloud on Debian 9 — step-by-step Linux tutorial on Progressive Robot

How To Install and Configure ownCloud on Debian 9

  • May 31, 2020
  • Linux
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ownCloud is an open-source file sharing server and collaboration platform that can store your personal content, like documents and pictures, in a centralized location. This allows you to take control of your content and security by not relying on third-party content hosting…

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FreeBSD 12 — linux-c6-flashplugin — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — linux-c6-flashplugin — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • May 31, 2020
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: flash — multiple vulnerabilities Related CVEs: CVE-2014-0547 CVE-2014-0548 CVE-2014-0549 CVE-2014-0550 CVE-2014-0551 CVE-2014-0552 CVE-2014-0553 CVE-2014-0554  +12 more Upstream summary: Adobe reports: These updates resolve type confusion vulnerabilities that could lead to […]

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