2021 - Page 124 of 759

Arch Linux — mariadb — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — mariadb — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202105-14 Related CVEs: CVE-2021-2166 CVE-2021-2154 Upstream summary: Type: denial of service. Status: Fixed. Affected: 10.5.9-1. Fixed in: 10.5.10-1. Group: AVG-1882. Table of contents Symptom & Impact Environment & Reproduction Root […]

Read more
Understanding Order of Operations in Programming — step-by-step DevOps tutorial on Progressive Robot

Understanding Order of Operations in Programming

It’s easy to take the order of operations for granted, because higher-level languages handle that for you. In this tutorial, we’ll look at how that works at a lower level, and derive an algorithm for processing mathematical expressions in postfix notation.

Read more
How to Install Symfony on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Symfony on RHEL 8

Symfony is a mature, enterprise-grade PHP framework and a collection of reusable components that power many of the world’s largest PHP applications, including Drupal and parts of Laravel itself. It emphasises strict standards, comprehensive testing support, and long-term support releases that align well with RHEL 8’s stability-first philosophy. This tutorial covers installing the Symfony CLI […]

Read more
Debian 11 — miller — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — miller — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-15167 Upstream summary: In Miller (command line utility) using the configuration file support introduced in version 5.9.0, it is possible for an attacker to cause Miller to run […]

Read more
Debian 11 — ruby-mixlib-archive — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ruby-mixlib-archive — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-1000026 Upstream summary: Chef Software's mixlib-archive versions 0.3.0 and older are vulnerable to a directory traversal attack allowing attackers to overwrite arbitrary files by using ".." in tar […]

Read more
Debian 11 — csound — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — csound — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-5986 CVE-2012-0270 CVE-2012-2106 CVE-2012-2107 CVE-2012-2108 Upstream summary: Untrusted search path vulnerability in the (1) "VST plugin with Python scripting" and (2) "VST plugin for writing score generators in […]

Read more
Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2021-9306)

🟠 High   ⏱ 15–60 min  Last verified: 4 November 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9306 Related CVEs: CVE-2020-28374 CVE-2021-23133 CVE-2021-29154 CVE-2021-31916 CVE-2020-36310 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

Read more
FreeBSD 13 — de-linux-netscape — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — de-linux-netscape — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 4 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: firefox & mozilla — multiple vulnerabilities Related CVEs: CVE-2004-0762 CVE-2004-0765 CVE-2004-0904 CVE-2004-0905 CVE-2004-0908 CVE-2004-0909 CVE-2004-1156 CVE-2004-1157  +12 more Upstream summary: A Mozilla Foundation Security Advisory reports of multiple issues: Heap […]

Read more
VMware ESXi 7.0 — log4j — multiple ESXi vulnerabilities (3 CVEs) — VIB / vLCM patch and remediation guide — diagnosis and fix on VMware ESXi 7.0

VMware ESXi 7.0 — log4j — multiple ESXi vulnerabilities (3 CVEs) — VIB / vLCM patch and remediation guide

🔴 Critical   ⏱ 30–120 min  Last verified: 25 May 2026 Affected versions: VMware ESXi 7.0 📖 ~4 min read  •  Source: VMware advisory VMSA-2021-0028 Related CVEs: CVE-2021-44228 CVE-2021-45046 CVE-2021-45105 Fixed image profile / build: ESXi670-202111101-SG Upstream summary: ESXi ships Apache log4j inside several Java-based services; Log4Shell (CVE-2021-44228) requires either patching or applying the documented […]

Read more
CHAT