Security Hardening

Common Problems 113522

Windows Server 2012 R2 SMB Multichannel Disabled After NIC Driver Update – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 6 September 2019 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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openSUSE Tumbleweed — platformsh-cli — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — platformsh-cli — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2016:1842-1 (see also SUSE bugzilla) Related CVEs: CVE-2016-5385 Upstream summary: PHP through 7.0.8 does not attempt to address RFC 3875 section 4.1.18 namespace conflicts and therefore does not protect applications from the […]

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Common Problems 112541

Windows Server 2019 – Cluster-Aware Updating run fails and leaves mixed patch state – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 6 September 2019 Affected versions: Windows Server 2019 📖 ~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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How to Set Up a Node.js Forever Process Manager on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up a Node.js Forever Process Manager on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up set up a node.js forever process manager on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each […]

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FreeBSD 12 — hu-openoffice — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — hu-openoffice — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 September 2019 Affected versions: FreeBSD 12 📖 ~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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Alpine Linux edge — libosinfo — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.5.0-r1 📖 ~4 min read  •  Source: Alpine secdb entry — libosinfo 1.5.0-r1 Related CVEs: CVE-2019-13313 Upstream summary: Alpine community repository for vedge ships libosinfo 1.5.0-r1 which addresses CVE-2019-13313. Table of contents Symptom & Impact Environment […]

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Ubuntu 18.04 — okular — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — okular — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 September 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4830-1 Related CVEs: CVE-2018-1000801 Upstream summary: It was discovered that Okular mishandled certain crafted archives during extraction. An attacker could use this vulnerability to write arbitrary files to the filesystem. […]

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SLES 15 — libidn2 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libidn2 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 September 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2020:10-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-12290 CVE-2019-18224 CVE-2015-2059 CVE-2015-8948 CVE-2016-6262 Upstream summary: GNU libidn2 before 2.2.0 fails to perform the roundtrip checks specified in RFC3490 Section 4.2 when converting A-labels […]

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Common Problems 121709

Debian 9 Logrotate Not Rotating Application Logs

🟡 Medium   ⏱ 5–30 min  Last verified: 5 September 2019 Affected versions: Debian 9 📖 ~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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