Package Management

FreeBSD 13 — devcpu-data — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — devcpu-data — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Intel CPU issues Related CVEs: CVE-2020-0543 Upstream summary: Intel reports: Intel CPUs suffer Special Register Buffer Data Sampling vulnerability Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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AlmaLinux 8 — dleyna-server — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — dleyna-server — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:1586 Related CVEs: CVE-2019-13012 CVE-2020-13543 CVE-2020-13584 CVE-2020-16125 CVE-2020-9948 CVE-2020-9951 CVE-2020-9983 CVE-2021-1817  +4 more Upstream summary: GNOME is the default desktop environment of AlmaLinux. The following packages have been upgraded to a later […]

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Arch Linux — firefox-ublock-origin — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — firefox-ublock-origin — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202107-38 Related CVEs: CVE-2021-36773 Upstream summary: Type: denial of service. Status: Fixed. Affected: 1.36.0-1. Fixed in: 1.36.2-1. Group: AVG-2172. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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FreeBSD 13 — php55-xml — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — php55-xml — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php — multiple vulnerabilities Related CVEs: CVE-2016-3074 Upstream summary: The PHP Group reports: BCMath: Fixed bug #72093 (bcpowmod accepts negative scale and corrupts _one_ definition). Exif: Fixed bug #72094 (Out […]

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Arch Linux — busybox — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — busybox — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201803-1 Related CVEs: CVE-2017-16544 CVE-2021-28831 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 1.27.2-1. Fixed in: 1.28.1-1. Group: AVG-512. Table of contents Symptom & Impact Environment & Reproduction Root […]

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FreeBSD 13 — xscreensaver-gnome — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — xscreensaver-gnome — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: xscreensaver – lock bypass Related CVEs: CVE-2015-8025 Upstream summary: RedHat bugzilla reports: In dual screen configurations, unplugging one screen will cause xscreensaver to crash, leaving the screen unlocked. Table of […]

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Gentoo Linux — games-server/minecraft-server — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — games-server/minecraft-server — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202312-02 Related CVEs: CVE-2021-4104 Upstream summary: A vulnerability has been discovered in Minecraft Server. Please review the CVE identifier referenced below for details. Table of contents Symptom & Impact Environment & Reproduction […]

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How to Install Certbot and Automate Let's Encrypt Renewals on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Certbot and Automate Let’s Encrypt Renewals on RHEL 8

Let’s Encrypt provides free, trusted TLS certificates, and Certbot is the official client for obtaining and renewing them automatically. On RHEL 8, Certbot is available through the EPEL repository and integrates tightly with both Nginx and Apache via dedicated plugins. Automating renewals with the built-in systemd timer ensures your certificates never expire without manual intervention. […]

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Oracle Linux 8 — nodejs:14 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — nodejs:14 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-0350)

🟡 Medium   ⏱ 10–30 min  Last verified: 6 August 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-0350 Related CVEs: CVE-2020-28469 CVE-2021-3918 CVE-2021-37701 CVE-2021-22960 CVE-2020-7788 CVE-2021-37712 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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AlmaLinux 8 — boom-boot — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — boom-boot — 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-2021:4456 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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