December 2021 - Page 53 of 71

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: tarsnap — buffer overflow and local DoS Upstream summary: Colin Percival reports: 1. SECURITY FIX: When constructing paths of objects being archived, a buffer could overflow by one byte upon […]

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SLES 15 — libnettle6 — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libnettle6 — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2021:254-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-3580 CVE-2021-20305 CVE-2015-8803 CVE-2015-8804 CVE-2015-8805 CVE-2016-6489 CVE-2018-16869 Upstream summary: A flaw was found in the way nettle's RSA decryption functions handled specially crafted ciphertext. An […]

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How to Set Up Port Knocking on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up Port Knocking on FreeBSD 13

Introduction Deploying set up port knocking on freebsd 13 on a FreeBSD 13 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard […]

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How To Use PostgreSQL With Node.js on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Use PostgreSQL With Node.js on Ubuntu 20.04

The Node.js ecosystem provides a set of tools for interfacing with databases. One of those tools is _node-postgres_, which contains modules that allow Node.js to interface with the PostgreSQL database. In this tutorial, you’ll use `node-postgres` to connect and query the PostgreSQL database. You will then connect your application to the Postgres database using the `node-postgres` module. Afterwards, you will use `node-postgres` to insert, retrieve, and modify data in the PostgreSQL database.

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Oracle Linux 8 — postgresql:13 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — postgresql:13 — vulnerability — patch and remediation guide (ELSA-2021-2375)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-2375 Related CVEs: CVE-2021-32027 CVE-2021-32029 CVE-2021-32028 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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FreeBSD 13 — openssl — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — openssl — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: OpenSSL — Multiple vulnerabilities Related CVEs: CVE-2004-0079 CVE-2005-2969 CVE-2006-2937 CVE-2006-2938 CVE-2006-2940 CVE-2006-3738 CVE-2006-4339 CVE-2006-4343  +12 more Upstream summary: The OpenSSL project reports: Seven vulnerabilities in OpenSSL library. Highest classification Moderate. […]

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FreeBSD 13 — chromium-pulse — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — chromium-pulse — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: chromium — multiple vulnerabilities Related CVEs: CVE-2014-0574 CVE-2014-7899 CVE-2014-7900 CVE-2014-7901 CVE-2014-7902 CVE-2014-7903 CVE-2014-7904 CVE-2014-7905  +12 more Upstream summary: Google Chrome releases reports: 40 security fixes in this release Please reference […]

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How to Install Java OpenJDK 17 on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Java OpenJDK 17 on RHEL 10

Introduction This tutorial demonstrates how to Install Java OpenJDK 17 on RHEL 10 on RHEL 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered RHEL 10 system with the default AppStream repositories […]

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AlmaLinux 8 — rhn-custom-info — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — rhn-custom-info — 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-2019:3355 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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