Introduction How to Configure TeamCity Build Agent on Oracle Linux 8 on Oracle Linux 8 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration […]
🟡 Medium ⏱ 15–45 min Last verified: 12 April 2021 Affected versions: IBM AIX 7.1 📖 ~4 min read • Source: NVD CVE-2021-38931, IBM Support Bulletin CVE: CVE-2021-38931 NVD summary: IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) 11.1, and 11.5 is vulnerable to an information disclosure as a result of […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202107-28 Related CVEs: CVE-2021-30184 Upstream summary: The cmd_pgnload() and cmd_pgnreplay() functions in cmd.cc in GNU Chess to not sufficiently validate PGN file input, potentially resulting in a buffer overflow. Table of contents […]
Introduction Deploying set up port knocking on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure Debian […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202107-35 Related CVEs: CVE-2020-28599 Upstream summary: A buffer overflow exists in OpenSCAD when parsing STL files. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]
🟡 Medium ⏱ 10–30 min Last verified: 12 April 2021 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: flac — fix encoder bug Related CVEs: CVE-2007-3507 CVE-2007-4619 CVE-2014-8962 CVE-2014-9028 CVE-2020-0499 CVE-2021-0561 Upstream summary: The FLAC 1.3.4 release reports: Fix 12 decoder bugs found by oss-fuzz. Fix encoder bug […]
🟢 Low ⏱ 5–15 min Last verified: 12 April 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2020-15275 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202208-33 Related CVEs: CVE-2020-12825 CVE-2020-17489 Upstream summary: The cr_parser_parse_any_core function in libcroco's cr-parser.c does not limit recursion, leading to a denial of service via a stack overflow when trying to parse crafted […]
Introduction to Log Analytics with Windows Event Logs Centralizing Windows Event Logs in Azure Log Analytics (part of Azure Monitor) transforms raw event data into a searchable, queryable, and alertable intelligence source. Windows Server 2019 generates thousands of events per day across the Application, Security, System, and application-specific event logs. Without centralization, these logs are […]
🟡 Medium ⏱ 10–30 min Last verified: 11 April 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2022-6523 Related CVEs: CVE-2022-38013 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
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