Logging Monitoring

FreeBSD 12 — libssh — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — libssh — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libssh — possible heap-buffer overflow vulnerability Related CVEs: CVE-2014-0017 CVE-2015-1782 CVE-2015-3146 CVE-2016-0739 CVE-2018-10933 CVE-2019-14889 CVE-2019-3855 CVE-2019-3856  +9 more Upstream summary: libssh security advisories: The SSH protocol keeps track of two […]

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FreeBSD 12 — ffmpeg-devel — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ffmpeg-devel — multiple vulnerabilities (19 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ffmpeg — multiple vulnerabilities Related CVEs: CVE-2015-6761 CVE-2015-6818 CVE-2015-6819 CVE-2015-6820 CVE-2015-6821 CVE-2015-6822 CVE-2015-6823 CVE-2015-6824  +11 more Upstream summary: NVD reports: The ff_dwt_decode function in libavcodec/jpeg2000dwt.c in FFmpeg before 2.8.4 does […]

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How to Install and Configure SonarQube on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Configure SonarQube on RHEL 8

SonarQube is an open-source static analysis platform that inspects code quality, detects bugs, security vulnerabilities, and code smells across more than thirty programming languages. On RHEL 8, SonarQube requires a Java 17 runtime, a PostgreSQL database for persistent storage, and several Linux kernel tuning parameters to run reliably. This tutorial guides you through every installation […]

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Ubuntu 18.04 — elfutils — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — elfutils — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6322-1 Related CVEs: CVE-2018-16062 CVE-2018-16403 CVE-2018-18310 CVE-2018-18520 CVE-2018-18521 CVE-2019-7149 CVE-2019-7150 CVE-2019-7665  +3 more Upstream summary: It was discovered that elfutils incorrectly handled certain malformed files. If a user or automated […]

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FreeBSD 12 — libXxf86dga — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — libXxf86dga — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: xorg — protocol handling issues in X Window System client libraries Related CVEs: CVE-2013-1981 CVE-2013-1982 CVE-2013-1983 CVE-2013-1984 CVE-2013-1985 CVE-2013-1986 CVE-2013-1987 CVE-2013-1988  +12 more Upstream summary: freedesktop.org reports: Ilja van Sprundel, […]

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Common Problems 115396

RHEL 7 yum Metadata Expired and Mirror Timeout Errors

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: RHEL 7 📖 ~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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Common Problems 115015

LVM Filesystem Full Despite Free Space in VG

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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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FreeBSD 12 — iourbanterror — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — iourbanterror — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: id Tech 3 — remote code execution vulnerability Related CVEs: CVE-2017-6903 Upstream summary: The content auto-download of id Tech 3 can be used to deliver maliciously crafted content, that triggers […]

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Common Problems 114628

RHEL 9 emergency mode triggered by fstab mount errors

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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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Common Problems 113497

Windows Server 2012 R2 — WSUS metadata corruption prevents clients from downloading approved updates — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 04 June 2027 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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