Package Management

Ubuntu 16.04 — libass — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libass — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 September 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4797-1 Related CVEs: CVE-2016-7969 CVE-2016-7970 CVE-2016-7972 CVE-2020-24994 Upstream summary: It was discovered that LibASS incorrectly handled certain ASS files. A remote attacker could possibly use this issue to cause a […]

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Oracle Linux 8 — perl-XML-Parser — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — perl-XML-Parser — vulnerability — patch and remediation guide (ELSA-2026-7681)

🟠 High   ⏱ 15–60 min  Last verified: 19 September 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-7681 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 — squid:4 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — squid:4 — vulnerability — patch and remediation guide (ELSA-2020-3623)

🟠 High   ⏱ 15–60 min  Last verified: 19 September 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-3623 Related CVEs: CVE-2020-15811 CVE-2020-15810 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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Debian 10 — webkit2gtk — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — webkit2gtk — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 19 September 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-8625 CVE-2019-8644 CVE-2019-8812 CVE-2019-8835 CVE-2020-10018 CVE-2020-11793 CVE-2020-9947 CVE-2020-13558  +12 more Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]

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Alpine Linux edge — ngircd — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — ngircd — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 25-r1 📖 ~4 min read  •  Source: Alpine secdb entry — ngircd 25-r1 Related CVEs: CVE-2020-14148 Upstream summary: Alpine main repository for vedge ships ngircd 25-r1 which addresses CVE-2020-14148. Table of contents Symptom & Impact Environment […]

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Oracle Linux 8 — git-lfs — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — git-lfs — security and stability fixes — required update (ELSA-2023-2866)

🟡 Medium   ⏱ 10–30 min  Last verified: 18 September 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2866 Related CVEs: CVE-2022-2880 CVE-2022-41717 CVE-2022-41715 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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Ubuntu 14.04 — libpam-krb5 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — libpam-krb5 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 September 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4314-1 Related CVEs: CVE-2020-10595 Upstream summary: Russ Allbery discovered that pam-krb5 incorrectly handled some responses. An attacker could possibly use this issue to execute arbitrary code. Table of contents Symptom […]

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How to Configure SLES 12 in Azure — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure SLES 12 in Azure

Introduction This tutorial covers How to Configure SLES 12 in Azure on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: zypper refresh && […]

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How to Configure Multipath I/O on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure Multipath I/O on Oracle Linux 8

Introduction How to Configure Multipath I/O on Oracle Linux 8 on Oracle Linux 8 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is […]

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

Oracle Linux 8 — gvfs — vulnerability — patch and remediation guide (ELSA-2019-1517)

🟡 Medium   ⏱ 10–30 min  Last verified: 18 September 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-1517 Related CVEs: CVE-2019-3827 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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