Linux

Debian 11 — pg-partman — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — pg-partman — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-33204 Upstream summary: In the pg_partman (aka PG Partition Manager) extension before 4.5.1 for PostgreSQL, arbitrary code execution can be achieved via SECURITY DEFINER functions because an explicit […]

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

Debian 11 — flamethrower — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-5141 Upstream summary: flamethrower in flamethrower 0.1.8 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/multicast.tar.##### temporary file. Table of contents Symptom & […]

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Arch Linux — isync — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — isync — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202102-38 Related CVEs: CVE-2021-20247 CVE-2021-44143 CVE-2021-3657 CVE-2021-3578 Upstream summary: Type: directory traversal. Status: Fixed. Affected: 1.3.3-1. Fixed in: 1.3.5-1. Group: AVG-1598. Table of contents Symptom & Impact Environment & Reproduction […]

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

Debian 11 — postgrey — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-1127 Upstream summary: Format string vulnerability in the log function in Net::Server 0.87 and earlier, as used in Postfix Greylisting Policy Server (Postgrey) 1.18 and earlier, and possibly […]

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Debian 11 — icecast2 — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — icecast2 — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 3 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-1561 CVE-2004-2027 CVE-2005-0837 CVE-2005-0838 CVE-2011-4612 CVE-2014-9018 CVE-2014-9091 CVE-2015-3026  +1 more Upstream summary: Buffer overflow in Icecast 2.0.1 and earlier allows remote attackers to execute arbitrary code via an […]

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

Debian 11 — libice — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-2626 Upstream summary: It was discovered that libICE before 1.0.9-8 used a weak entropy to generate keys. A local attacker could potentially use this flaw for session hijacking […]

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Ubuntu 14.04 — gegl — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — gegl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 December 2021 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5251-1 Related CVEs: CVE-2021-45463 Upstream summary: It was discovered that GEGL incorrectly filtered and escaped file path input data when using the C system() function for execution of the ImageMagick […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202106-10 Related CVEs: CVE-2021-25217 CVE-2018-5732 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 4.4.2-2. Fixed in: 4.4.2.P1-1. Group: AVG-2004. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Common Problems 125183

Oracle Linux 8 – Common Problem 022 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 2 December 2021 Affected versions: Oracle Linux 8 📖 ~3 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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