Package Management

Arch Linux — go — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — go — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • April 13, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202011-16 Related CVEs: CVE-2020-28367 CVE-2020-28366 CVE-2020-28362 CVE-2018-16875 CVE-2018-16874 CVE-2018-16873 CVE-2018-6574 CVE-2017-15041  +12 more Upstream summary: Type: multiple issues. Status: Fixed. Affected: 2:1.15.4-1. Fixed in: 2:1.15.5-1. Group: AVG-1278. Table of contents […]

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Oracle Linux 8 — gcc — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — gcc — security and stability fixes — required update (ELSA-2020-1864)

  • April 12, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 12 April 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1864 Related CVEs: CVE-2019-15847 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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AlmaLinux 8 — rshim — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — rshim — vulnerability — patch and remediation guide

  • April 12, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:4228 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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How to Configure TeamCity Build Agent on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure TeamCity Build Agent on Oracle Linux 8

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 […]

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Gentoo Linux — games-board/gnuchess — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — games-board/gnuchess — vulnerability — patch and remediation guide

  • April 12, 2021
  • Linux
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🟡 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 […]

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How to Set Up Port Knocking on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up Port Knocking on Debian 9

  • April 12, 2021
  • Linux
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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 […]

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Gentoo Linux — media-gfx/openscad — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — media-gfx/openscad — vulnerability — patch and remediation guide

  • April 12, 2021
  • Linux
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🟡 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 […]

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FreeBSD 12 — flac — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — flac — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • April 12, 2021
  • BSD
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🟡 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 […]

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