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Debian 11 — ikiwiki-hosting — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ikiwiki-hosting — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-6047 Upstream summary: Multiple cross-site scripting (XSS) vulnerabilities in the site creation interface in ikiwiki-hosting before 0.20131025 allow remote attackers to inject arbitrary web script or HTML via […]

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How to Install Nagios Core on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install Nagios Core on FreeBSD 12

Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install nagios core on freebsd 12 on FreeBSD 12 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 Linux distribution. […]

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

AlmaLinux 8 — mod_auth_mellon — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:1934 Related CVEs: CVE-2021-3639 Upstream summary: The mod_auth_mellon module for the Apache HTTP Server is an authentication service that implements the SAML 2.0 federation protocol. The module grants access based on the […]

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Ubuntu 16.04 — pygments — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — pygments — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 November 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4897-1 Related CVEs: CVE-2021-27291 CVE-2021-20270 Upstream summary: Ben Caller discovered that Pygments incorrectly handled parsing certain files. If a user or automated system were tricked into parsing a specially crafted […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 3 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: irssi — Use after free when sending SASL login to the server Related CVEs: CVE-2010-1155 CVE-2010-1156 CVE-2016-7044 CVE-2016-7045 CVE-2017-10965 CVE-2017-10966 CVE-2017-15227 CVE-2017-15228  +12 more Upstream summary: Irssi reports: Use after […]

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How to Install and Configure VNC on Debian 9 — step-by-step Linux tutorial on Progressive Robot

How to Install and Configure VNC on Debian 9

Virtual Network Computing, or VNC, is a connection system that allows you to use your keyboard and mouse to interact with a graphical desktop environment on a remote server. It makes managing files, software, and settings on a remote server easier for users who are not yet comfortable with the command line.

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Amazon Linux 2 — kernel-livepatch-4.14.232-177.418 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.232-177.418 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2021-060 Related CVEs: CVE-2021-40490 CVE-2021-33909 Upstream summary: No CVE associated with this advisory Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution […]

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

FreeBSD 13 — linux-opera — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 3 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: opera — moderately severe issue Related CVEs: CVE-2004-0411 CVE-2004-0717 CVE-2004-0718 CVE-2004-0721 CVE-2004-1156 CVE-2004-1157 CVE-2004-1158 CVE-2004-1160  +12 more Upstream summary: Opera reports: Fixed a moderately severe issue, as reported by Attila […]

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