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Debian 11 — mpg123 — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mpg123 — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 13 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0577 CVE-2003-0865 CVE-2004-0805 CVE-2004-0982 CVE-2004-0991 CVE-2004-1284 CVE-2006-1655 CVE-2006-3355  +10 more Upstream summary: mpg123 0.59r allows remote attackers to cause a denial of service and possibly execute arbitrary code […]

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Common Problems 112907

Windows Server 2016 — Chocolatey package install fails due to TLS 1.2 handshake error — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 13 September 2022 Affected versions: Windows Server 2016 📖 ~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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Debian 11 — suds — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — suds — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-2217 Upstream summary: cache.py in Suds 0.4, when tempdir is set to None, allows local users to redirect SOAP queries and possibly have other unspecified impact via a […]

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How to Configure Multipath I/O on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure Multipath I/O on Debian 11

Introduction This guide explains how to Configure Multipath I/O on Debian 11 on Debian 11 Bullseye. Debian Bullseye uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 11 install with the standard […]

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How To Install and Use PostgreSQL on CentOS 8 — step-by-step Linux tutorial on Progressive Robot

How To Install and Use PostgreSQL on CentOS 8

PostgreSQL, or Postgres, is a relational database management system that provides an implementation of the SQL querying language. It is a popular choice for many small and large projects and has the advantage of being standards-compliant and having many advanced features like reliable transactions and concurrency without read locks.

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Ubuntu 22.04 — grunt — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — grunt — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 September 2022 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5847-1 Related CVEs: CVE-2020-7729 CVE-2022-0436 CVE-2022-1537 Upstream summary: It was discovered that Grunt was not properly loading YAML files before parsing them. An attacker could possibly use this issue to […]

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SLES 12 — apache2-mod_wsgi — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — apache2-mod_wsgi — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 September 2022 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:3372-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-2255 Upstream summary: A vulnerability was found in mod_wsgi. The X-Client-IP header is not removed from a request from an untrusted proxy, allowing an attacker […]

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Oracle Linux 8 — pcre2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — pcre2 — vulnerability — patch and remediation guide (ELSA-2022-5809)

🟡 Medium   ⏱ 10–30 min  Last verified: 13 September 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-5809 Related CVEs: CVE-2022-1586 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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How to Set Up a Certificate Authority with OpenSSL on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Set Up a Certificate Authority with OpenSSL on RHEL 8

Running your own Certificate Authority (CA) with OpenSSL gives you complete control over the certificates issued to your internal services, enabling mutual TLS, encrypted internal APIs, and custom certificate policies without relying on commercial CAs for private infrastructure. On RHEL 8, OpenSSL is pre-installed and the system trust store is managed through the ca-trust framework, […]

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