Debian 11

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 28 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-1215 CVE-2005-2231 CVE-2006-3121 CVE-2006-3815 CVE-2009-3736 Upstream summary: Multiple format string vulnerabilities in heartbeat 0.4.9 and earlier (claimed as buffer overflows in some sources) allow remote attackers to execute […]

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How to Install ClickHouse on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install ClickHouse on Debian 11

Introduction This guide explains how to Install ClickHouse 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 repositories […]

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Common Problems 120652

Debian 11 – PostgreSQL Fails Because WAL Partition Is Full – Immediate Recovery

🔴 Critical   ⏱ 5–30 min  Last verified: 27 July 2022 Affected versions: Debian 11 📖 ~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 — electrum — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — electrum — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-1000022 CVE-2018-6353 Upstream summary: Electrum Technologies GmbH Electrum Bitcoin Wallet version prior to version 3.0.5 contains a Missing Authorization vulnerability in JSONRPC interface that can result in Bitcoin […]

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Debian 11 — iodine — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — iodine — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-4168 Upstream summary: (1) iodined.c and (2) user.c in iodine before 0.7.0 allows remote attackers to bypass authentication by continuing execution after an error has been triggering. Table […]

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Debian 11 — unrar-free — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — unrar-free — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-11189 CVE-2017-11190 CVE-2017-14120 CVE-2017-14121 CVE-2017-14122 Upstream summary: unrarlib.c in unrar-free 0.0.1 might allow remote attackers to cause a denial of service (NULL pointer dereference and application crash), which […]

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How to Install Jenkins on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install Jenkins on Debian 11

Introduction This guide explains how to Install Jenkins 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 repositories […]

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Common Problems 120685

Debian 11 Firewall Rules Block Required Service Ports

🟠 High   ⏱ 5–30 min  Last verified: 26 July 2022 Affected versions: Debian 11 📖 ~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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