May 2022 - Page 23 of 72

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

Debian 11 — pglogical — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-3515 Upstream summary: A shell injection flaw was found in pglogical in versions before 2.3.4 and before 3.6.26. An attacker with CREATEDB privileges on a PostgreSQL server can […]

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Common Problems 116032

Ubuntu 26.04 LTS – unattended-upgrades causes sustained high CPU – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~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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FreeBSD 13 — py36-salt — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py36-salt — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: salt — multiple vulnerabilities Related CVEs: CVE-2017-12791 CVE-2017-14695 CVE-2017-14696 CVE-2018-15750 CVE-2018-15751 CVE-2019-17361 CVE-2020-11651 CVE-2020-11652  +12 more Upstream summary: SaltStack reports multiple security vulnerabilities in Salt CVE-2021-3197: The Salt-API.s SSH client […]

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Debian 10 — needrestart — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — needrestart — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-30688 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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Common Problems 112932

Windows Server 2016 — DNSSEC validation failures after trust anchor rollover on Windows Server 2016 resolvers — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Windows Server 2016 📖 ~2 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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How to Configure a Virtual Host in Nginx on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure a Virtual Host in Nginx on SLES 12

Introduction This tutorial covers How to Configure a Virtual Host in Nginx on SLES 12 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 […]

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

Debian 11 — libffi — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-1000376 Upstream summary: libffi requests an executable stack allowing attackers to more easily trigger arbitrary code execution by overwriting the stack. Please note that libffi is used by […]

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