December 2021 - Page 3 of 71

SLES 12 — npm10 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — npm10 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:2790-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-22930 CVE-2019-9514 CVE-2019-9515 CVE-2019-9518 CVE-2020-11080 CVE-2020-7774 CVE-2020-8252 CVE-2020-8265  +12 more Upstream summary: Node.js before 16.6.0, 14.17.4, and 12.22.4 is vulnerable to a use after free […]

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¿Cómo instalar WordPress con LAMP en Ubuntu 16.04? — step-by-step Linux tutorial on Progressive Robot

¿Cómo instalar WordPress con LAMP en Ubuntu 16.04?

WordPress es el CMS (Sistema de Gestión de Contenido) más popular en Internet. Te permite configurar sitios y blogs fácilmente sobre MySQL y PHP manejando el backend. Wordpress ha tenido amplia aceptación y es una buena opción para tener un sitio en linea rápidamente. Después…

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How to Set Up a Certificate Authority with OpenSSL on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up a Certificate Authority with OpenSSL on RHEL 7

How to Set Up a Certificate Authority with OpenSSL on RHEL 7 A Private Certificate Authority (CA) is essential infrastructure for any organization that needs to issue and manage TLS certificates for internal services, VPNs, mutual TLS authentication, or code signing — without relying on commercial CAs or exposing internal hostnames to the public internet. […]

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AlmaLinux 8 — checkpolicy — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — checkpolicy — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2019:3537 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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AlmaLinux 8 — virt-manager — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — virt-manager — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:1862 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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AlmaLinux 8 — lld — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — lld — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:4743 Related CVEs: CVE-2021-42574 Upstream summary: LLVM Toolset provides the LLVM compiler infrastructure framework, the Clang compiler for the C and C++ languages, the LLDB debugger, and related tools for code analysis. […]

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How to Configure OPcache for PHP on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure OPcache for PHP on CentOS Stream 9

Introduction Setting up configure opcache for php on centos stream 9 on a CentOS Stream 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure OPcache for PHP on CentOS Stream 9, with all the commands you need, the SELinux and firewalld considerations to […]

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IBM AIX 7.1 — CVE-2021-29810 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2021-29810 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2021-29810, IBM Support Bulletin CVE: CVE-2021-29810 NVD summary: IBM Jazz for Service Management 1.1.3.10 and IBM Tivoli Netcool/OMNIbus_GUI is vulnerable to stored cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript […]

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FreeBSD 13 — mod_access_referer — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mod_access_referer — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mod_access_referer — null pointer dereference vulnerability Related CVEs: CVE-2003-1054 Upstream summary: A malformed Referer header field causes the Apache ap_parse_uri_components function to discard it with the result that a pointer […]

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