Security Hardening

AlmaLinux 8 — librdkafka — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — librdkafka — 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-2022:1827 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 — php4-nms — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — php4-nms — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 13 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php — multiple vulnerabilities Related CVEs: CVE-2004-0594 CVE-2004-0595 CVE-2004-1019 CVE-2004-1065 CVE-2005-0596 CVE-2006-4481 CVE-2006-4482 CVE-2006-4483  +12 more Upstream summary: The PHP development team reports: Security Enhancements and Fixes in PHP 5.2.2 […]

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How to Automate FreeBSD 12 Server Provisioning with Ansible — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Automate FreeBSD 12 Server Provisioning with Ansible

Introduction This guide explains how to Automate FreeBSD 12 Server Provisioning with Ansible on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained […]

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Debian 11 — gettext — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — gettext — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0966 CVE-2018-18751 Upstream summary: The (1) autopoint and (2) gettextize scripts in the GNU gettext package 1.14 and later versions, as used in Trustix Secure Linux 1.5 through […]

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Debian 11 — byobu — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — byobu — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-7306 Upstream summary: Byobu Apport hook may disclose sensitive information since it automatically uploads the local user's .screenrc which may contain private hostnames, usernames and passwords. This issue […]

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Amazon Linux 2 — java-1.8.0-openjdk — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — java-1.8.0-openjdk — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2021-1731 Related CVEs: CVE-2021-44228 CVE-2021-45046 CVE-2018-3136 CVE-2018-3139 CVE-2018-3149 CVE-2018-3169 CVE-2018-3180 CVE-2018-3183  +12 more Upstream summary: No versions of an Amazon Linux Java Virtual Machine (JVM) are affected by CVE-2021-44228 or […]

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Ubuntu 20.04 — godot — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — godot — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 November 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7579-1 Related CVEs: CVE-2019-2126 CVE-2021-26826 CVE-2021-26825 Upstream summary: It was discovered that the Godot Engine did not properly handle certain malformed WebM media files. If the Godot Engine opened a […]

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How to Set Up Harbor Container Registry on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up Harbor Container Registry 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 set up harbor container registry 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 any […]

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FreeBSD 13 — apache+mod_ssl+mod_accel — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — apache+mod_ssl+mod_accel — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: apache — Prevent chunk-size integer overflow on platforms where sizeof(int) < sizeof(long) Related CVEs: CVE-2005-2088 CVE-2005-3352 CVE-2006-3747 Upstream summary: Apache ChangeLog reports: Integer overflow in the ap_proxy_send_fb function in proxy/proxy_util.c […]

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FreeBSD 13 — rubygem-activejob — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — rubygem-activejob — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Rails — Active Job vulnerability Related CVEs: CVE-2018-16476 Upstream summary: Ruby on Rails blog: Rails 4.2.11, 5.0.7.1, 5.1.6.1 and 5.2.1.1 have been released! These contain the following important security fixes, […]

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