Package Management

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

Debian 11 — dgen — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0770 Upstream summary: romload.c in DGen Emulator 1.23 and earlier allows local users to overwrite arbitrary files via a symlink attack on temporary files during decompression of (1) […]

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How to Set Up BGP Routing with BIRD on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up BGP Routing with BIRD on Debian 11

Introduction This guide explains how to Set Up BGP Routing with BIRD on Debian 11 on Debian 11 Bullseye. Debian Bullseye uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 11 install […]

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Amazon Linux 2 — golang-github-godbus-dbus — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — golang-github-godbus-dbus — multiple vulnerabilities (16 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 ALAS2-2022-1858 Related CVEs: CVE-2022-1705 CVE-2022-1962 CVE-2022-1996 CVE-2022-24675 CVE-2022-27191 CVE-2022-27664 CVE-2022-28131 CVE-2022-28327  +8 more Upstream summary: 2023-05-11: CVE-2022-1996 has changed status to NOT AFFECTED for this package and has been removed […]

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Debian 11 — bash — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — bash — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-5374 CVE-2012-3410 CVE-2012-6711 CVE-2014-6271 CVE-2014-6277 CVE-2014-6278 CVE-2014-7169 CVE-2014-7186  +8 more Upstream summary: bash-doc 3.2 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/cb#####.? […]

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Debian 11 — mruby — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mruby — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-9527 CVE-2018-10191 CVE-2018-10199 CVE-2018-11743 CVE-2018-12248 CVE-2018-12249 CVE-2018-14337 CVE-2020-15866  +12 more Upstream summary: The mark_context_stack function in gc.c in mruby through 1.2.0 allows attackers to cause a denial of […]

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Ubuntu 16.04 — wireshark — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — wireshark — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 February 2022 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7552-1 Related CVEs: CVE-2021-4185 CVE-2022-0582 CVE-2022-0586 CVE-2022-3190 CVE-2021-4182 CVE-2022-0585 CVE-2021-39929 CVE-2021-4186  +12 more Upstream summary: It was discovered that Wireshark did not correctly handle recursion. If a user or system […]

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Oracle Linux 8 — less — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — less — vulnerability — patch and remediation guide (ELSA-2024-1610)

🟡 Medium   ⏱ 10–30 min  Last verified: 14 February 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-1610 Related CVEs: CVE-2022-48624 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Arch Linux — nettle — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — nettle — 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-202106-28 Related CVEs: CVE-2021-3580 Upstream summary: Type: denial of service. Status: Fixed. Affected: 3.7.2-1. Fixed in: 3.7.3-1. Group: AVG-2052. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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How to Set Up VictoriaMetrics on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up VictoriaMetrics on CentOS Stream 9

Introduction This tutorial demonstrates how to Set Up VictoriaMetrics on CentOS Stream 9 on CentOS Stream 9. 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 CentOS Stream 9 system with the default […]

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