Linux

Debian 12 — php-horde — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — php-horde — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 December 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-6365 CVE-2015-7984 CVE-2016-2228 CVE-2017-16907 CVE-2019-12094 CVE-2019-12095 CVE-2020-8035 Upstream summary: Horde Groupware Web mail 5.1.2 has CSRF with requests to change permissions Table of contents Symptom & Impact Environment […]

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Debian 12 — mason — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — mason — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 December 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-3118 Upstream summary: Mason before 1.0.0 does not install the init script after the user uses Mason to configure a firewall, which causes the system to run without […]

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Alpine Linux 3.19 — gdnsd — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — gdnsd — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 2.4.3-r0 📖 ~4 min read  •  Source: Alpine secdb entry — gdnsd 2.4.3-r0 Related CVEs: CVE-2019-13952 Upstream summary: Alpine community repository for vv3.19 ships gdnsd 2.4.3-r0 which addresses CVE-2019-13952. Table of contents Symptom & Impact Environment […]

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Common Problems 120001

Debian 12 – Network Interface Rename Breaks Connectivity – Persistent Naming Fix

🟠 High   ⏱ 5–30 min  Last verified: 23 December 2023 Affected versions: Debian 12 📖 ~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 12 — hpsockd — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — hpsockd — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 December 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0993 Upstream summary: Buffer overflow in hpsockd before 0.6 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code. Table of contents […]

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Ubuntu 18.04 — ruby-redcloth — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — ruby-redcloth — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 December 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6358-1 Related CVEs: CVE-2023-31606 Upstream summary: It was discovered that RedCloth incorrectly handled certain inputs during html sanitisation. An attacker could possibly use this issue to cause a denial of […]

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Oracle Linux 9 — perl-XML-Parser — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — perl-XML-Parser — vulnerability — patch and remediation guide (ELSA-2026-7679)

🟠 High   ⏱ 15–60 min  Last verified: 23 December 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-7679 Related CVEs: CVE-2006-10002 CVE-2006-10003 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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

Oracle Linux 8 — thunderbird — vulnerability — patch and remediation guide (ELSA-2023-1403)

🟠 High   ⏱ 15–60 min  Last verified: 23 December 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-1403 Related CVEs: CVE-2023-28162 CVE-2023-25751 CVE-2023-28176 CVE-2023-25752 CVE-2023-28164 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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How to Install Python 3.12 on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install Python 3.12 on Debian 12

Introduction Deploying install python 3.12 on debian 12 on a Debian 12 Bookworm machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You will need […]

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How to Install and Configure Valkey on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install and Configure Valkey on Debian 12

Introduction This guide explains how to Install and Configure Valkey on Debian 12 on Debian 12 Bookworm. Debian Bookworm 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 12 install with the […]

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