Logging Monitoring

AlmaLinux 8 — source-highlight — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — source-highlight — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:1892 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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FreeBSD 13 — mozjpeg — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mozjpeg — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mozjpeg — heap-based buffer over-read in get_rgb_row() in rdppm.c via a malformed PPM input file Related CVEs: CVE-2020-13790 Upstream summary: NIST reports: Heap-based buffer over-read in get_rgb_row() in rdppm.c via […]

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FreeBSD 13 — zabbix22-server — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — zabbix22-server — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Zabbix — Remote code execution Related CVEs: CVE-2017-2824 Upstream summary: mitre reports: An exploitable code execution vulnerability exists in the trapper command functionality of Zabbix Server 2.4.X. A specially crafted […]

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Alpine Linux edge — klibc — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — klibc — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.0.9-r0 📖 ~4 min read  •  Source: Alpine secdb entry — klibc 2.0.9-r0 Related CVEs: CVE-2021-31870 CVE-2021-31871 CVE-2021-31872 CVE-2021-31873 Upstream summary: Alpine community repository for vedge ships klibc 2.0.9-r0 which addresses CVE-2021-31870. Table of contents Symptom […]

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How to Harden the FreeBSD Kernel with sysctl on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Harden the FreeBSD Kernel with sysctl on FreeBSD 13

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up harden the freebsd kernel with sysctl on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from […]

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openSUSE Tumbleweed — python38-sentry-sdk — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python38-sentry-sdk — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2023:0005-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-44420 Upstream summary: In Django 2.2 before 2.2.25, 3.1 before 3.1.14, and 3.2 before 3.2.10, HTTP requests for URLs with trailing newlines could bypass upstream […]

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FreeBSD 13 — teamspeak_server — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — teamspeak_server — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Teamspeak Server — Directory Traversal Vulnerability Upstream summary: SecurityFocus reports: TeamSpeak is prone to a directory-traversal vulnerability because it fails to sufficiently sanitize user-supplied input data. Exploiting the issue may […]

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How to Use Microsoft Graph API with PowerShell on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Use Microsoft Graph API with PowerShell on Windows Server 2016

Introduction Microsoft Graph API provides a unified REST endpoint for accessing Microsoft 365, Azure AD, and related services. Using PowerShell on Windows Server 2016 with the Microsoft.Graph module, administrators can automate user lifecycle management, generate audit reports, and manage cloud resources programmatically. Installing the Microsoft Graph PowerShell Module Install the module and authenticate to Graph: […]

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