Operations

How to Scan for Vulnerabilities with OpenVAS on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Scan for Vulnerabilities with OpenVAS on RHEL 8

OpenVAS (Open Vulnerability Assessment System), now distributed as Greenbone Community Edition, is a powerful open-source vulnerability scanner that identifies known CVEs, misconfigurations, and weak credentials across your network. Running it as a containerized stack on RHEL 8 keeps the scanner isolated and easy to update without conflicting with system packages. This tutorial covers deploying Greenbone […]

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Arch Linux — jdk11-openjdk — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — jdk11-openjdk — multiple vulnerabilities (3 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-202107-53 Related CVEs: CVE-2021-2388 CVE-2021-2369 CVE-2021-2341 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 11.0.11.u9-1. Fixed in: 11.0.12.u7-1. Group: AVG-2189. Table of contents Symptom & Impact Environment & Reproduction Root […]

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FreeBSD 13 — proftpd-devel — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — proftpd-devel — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: proftpd — arbitrary code execution vulnerability with chroot Related CVEs: CVE-2008-4242 CVE-2008-4247 CVE-2009-0542 CVE-2009-0543 Upstream summary: The FreeBSD security advisory FreeBSD-SA-11:07.chroot reports: If ftpd is configured to place a user […]

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FreeBSD 13 — avahi — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — avahi — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: avahi — denial of service Related CVEs: CVE-2010-2244 CVE-2011-1002 Upstream summary: Avahi developers reports: A vulnerability has been reported in Avahi, which can be exploited by malicious people to cause […]

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How to Set Up a Git Server with Gitea on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up a Git Server with Gitea on FreeBSD 13

Introduction Deploying set up a git server with gitea 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 […]

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

AlmaLinux 8 — greenboot — 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-2022:1902 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 — kdepimlibs — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

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

🟢 Low   ⏱ 5–15 min  Last verified: 6 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: kdepimlibs — directory traversal on KTNEF Upstream summary: Albert Aastals Cid reports: A directory traversal issue was found in KTNEF which can be exploited by tricking a user into opening […]

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FreeBSD 13 — rubygem18-activemodel — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — rubygem18-activemodel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Ruby Activemodel Gem — Circumvention of attr_protected Related CVEs: CVE-2013-0276 Upstream summary: Aaron Patterson reports: The attr_protected method allows developers to specify a blacklist of model attributes which users should […]

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AlmaLinux 8 — trousers — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — trousers — multiple vulnerabilities (3 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-2021:1627 Related CVEs: CVE-2020-24330 CVE-2020-24331 CVE-2020-24332 Upstream summary: TrouSerS is an implementation of the Trusted Computing Group's Software Stack (TSS) specification. TrouSerS enables the user to write applications that make use of […]

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FreeBSD 13 — inn — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — inn — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: inn — plaintext command injection into encrypted channel Related CVEs: CVE-2011-0411 CVE-2012-3523 Upstream summary: INN developers report: Fixed a possible plaintext command injection during the negotiation of a TLS layer. […]

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