September 2021 - Page 21 of 66

Oracle Linux 8 — xorg-x11-server — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — xorg-x11-server — security and stability fixes — required update (ELSA-2023-2806)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2806 Related CVEs: CVE-2022-46344 CVE-2022-3551 CVE-2022-46342 CVE-2023-0494 CVE-2022-46341 CVE-2022-46343 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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AlmaLinux 8 — qt5-qt3d — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — qt5-qt3d — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:4172 Related CVEs: CVE-2021-3481 Upstream summary: Qt is a software toolkit for developing applications. The following packages have been upgraded to a later upstream version: adwaita-qt (1.2.1), python-qt5 (5.15.0), qgnomeplatform (0.7.1), qt5 […]

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How to Secure MySQL 9 on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Install PostgreSQL 17 on Ubuntu 26.04

PostgreSQL is a powerful, open-source object-relational database system known for its reliability, extensibility, and standards compliance. PostgreSQL 17 brings performance improvements, new SQL features, and enhanced logical replication. This guide installs it on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS server A user with sudo privileges Step 1 […]

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Arch Linux — lib32-glibc — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — lib32-glibc — multiple vulnerabilities (8 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-201801-18 Related CVEs: CVE-2018-1000001 CVE-2017-15671 CVE-2017-15670 CVE-2017-1000366 CVE-2021-3326 CVE-2020-29562 CVE-2020-27618 CVE-2019-25013 Upstream summary: Type: privilege escalation. Status: Fixed. Affected: 2.26-10. Fixed in: 2.26-11. Group: AVG-590. Table of contents Symptom & […]

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How to Configure Network Interface Aggregation on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure Network Interface Aggregation on FreeBSD 13

Introduction How to Configure Network Interface Aggregation on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet […]

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FreeBSD 13 — py-urllib — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py-urllib — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: urllib3 — certificate verification failure Related CVEs: CVE-2016-9015 Upstream summary: urllib3 reports: CVE-2016-9015: Certification verification failure Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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FreeBSD 13 — se-openoffice — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — se-openoffice — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: openoffice — DOC document heap overflow vulnerability Related CVEs: CVE-2004-0752 CVE-2005-0941 Upstream summary: AD-LAB reports that a heap-based buffer overflow vulnerability exists in OpenOffice's handling of DOC documents. When reading […]

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