Logging Monitoring

AlmaLinux 8 — sip — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — sip — 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 Configure Windows Reliability Monitor on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Windows Reliability Monitor on Windows Server 2019

Introduction to Windows Reliability Monitor on Windows Server 2019 Windows Reliability Monitor is a built-in diagnostic tool in Windows Server 2019 that displays a Stability Index over time — a score from 1 (unstable) to 10 (perfectly stable) — alongside a chronological event log of application failures, Windows failures, hardware warnings, software installations, and Windows […]

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

Debian 11 — ncmpc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-9240 Upstream summary: ncmpc through 0.29 is prone to a NULL pointer dereference flaw. If a user uses the chat screen and another client sends a long chat […]

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Common Problems 115634

Application port blocked by firewalld – RHEL 7 Post 007

🟡 Medium   ⏱ 5–30 min  Last verified: 25 October 2021 📖 ~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 & Cross-Refs References & Further […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.9.18-r0 📖 ~4 min read  •  Source: Alpine secdb entry — snort 2.9.18-r0 Related CVEs: CVE-2021-40114 Upstream summary: Alpine main repository for vedge ships snort 2.9.18-r0 which addresses CVE-2021-40114. Table of contents Symptom & Impact Environment […]

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

Debian 11 — xgalaga — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0454 Upstream summary: Multiple buffer overflows in xgalaga 2.0.34 and earlier allow local users to gain privileges via a long HOME environment variable. Table of contents Symptom & […]

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Debian 11 — libexif — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libexif — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-0664 CVE-2006-4168 CVE-2007-2645 CVE-2007-6351 CVE-2007-6352 CVE-2009-3895 CVE-2012-2812 CVE-2012-2813  +12 more Upstream summary: Buffer overflow in the EXIF library (libexif) 0.6.9 does not properly validate the structure of the […]

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Debian 11 — wss4j — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — wss4j — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-0226 CVE-2015-0227 Upstream summary: Apache WSS4J before 1.6.17 and 2.0.x before 2.0.2 improperly leaks information about decryption failures when decrypting an encrypted key or message data, which makes […]

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Alpine Linux edge — recutils — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — recutils — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.9-r0 📖 ~4 min read  •  Source: Alpine secdb entry — recutils 1.9-r0 Related CVEs: CVE-2021-46019 CVE-2021-46021 CVE-2021-46022 Upstream summary: Alpine community repository for vedge ships recutils 1.9-r0 which addresses CVE-2021-46019. Table of contents Symptom & […]

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Common Problems 113013

Windows Server 2016 — SNMP service stops responding to queries — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 25 October 2021 Affected versions: Windows Server 2016 📖 ~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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