March 2020

Alpine Linux edge — tcpflow — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — tcpflow — multiple vulnerabilities (2 CVEs) — 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 — tcpflow 1.5.0-r1 Related CVEs: CVE-2018-18409 CVE-2018-14938 Upstream summary: Alpine main repository for vedge ships tcpflow 1.5.0-r1 which addresses CVE-2018-18409. Table of contents Symptom & Impact […]

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Gentoo Linux — media-libs/libmediainfo — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — media-libs/libmediainfo — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202405-09 Upstream summary: Multiple vulnerabilities have been discovered in MediaInfo and MediaInfoLib. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Common Problems 121125

Debian 10 GRUB Update Fails After Package Changes

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Debian 10 📖 ~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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Arch Linux — gstreamer — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — gstreamer — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201702-7 Related CVEs: CVE-2017-5838 Upstream summary: Type: denial of service. Status: Fixed. Affected: 1.10.2-1. Fixed in: 1.10.3-1. Group: AVG-167. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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How to Configure AppArmor on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure AppArmor on SLES 12

Introduction This tutorial covers How to Configure AppArmor 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. Step 1 — Check AppArmor Status systemctl status apparmor aa-status Step 2 — […]

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Common Problems 114072

Firewalld rich rule ignored due to wrong zone

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~1 min read Table of contents Problem Summary Symptoms Diagnostics Root Cause Primary Fix Verification Prevention Rollback Automation Command Reference Escalation Related Notes Problem Summary Rich rule exists but traffic is still blocked. Symptoms firewall-cmd lists rule […]

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FreeBSD 12 — open-motif-devel — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — open-motif-devel — multiple vulnerabilities (2 CVEs) — 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: xpm — image decoding vulnerabilities Related CVEs: CVE-2004-0687 CVE-2004-0688 Upstream summary: Chris Evans discovered several vulnerabilities in the libXpm image decoder: A stack-based buffer overflow in xpmParseColors An integer overflow […]

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

FreeBSD 12 — pgbouncer — multiple vulnerabilities (2 CVEs) — 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: pgbouncer — failed auth_query lookup leads to connection as auth_user Related CVEs: CVE-2015-4054 CVE-2015-6817 Upstream summary: PgBouncer reports: New auth_user functionality introduced in 1.6 allows login as auth_user when client […]

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How To Use Stored Procedures in MySQL — step-by-step Databases tutorial on Progressive Robot

How To Use Stored Procedures in MySQL

MySQL supports the use of stored procedures, which group one or multiple SQL statements for reuse under a common name. Using stored procedures, you can create reusable routines for common tasks to be used across multiple applications, provide data validation, or deliver an additional layer of data access security. In this tutorial, you’ll learn what stored procedures are and how to create basic stored procedures that return data and use both input and output parameters.

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

FreeBSD 12 — ca-openoffice — multiple vulnerabilities (2 CVEs) — 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: 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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