Package Management

Ubuntu 16.04 — dbus — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — dbus — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 October 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6372-1 Related CVEs: CVE-2023-34969 CVE-2022-42010 CVE-2022-42011 CVE-2022-42012 CVE-2020-35512 CVE-2020-12049 CVE-2019-12749 CVE-2015-0245 Upstream summary: It was discovered that DBus incorrectly handled certain invalid messages. A local attacker could possibly use this […]

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Oracle Linux 9 — python3.11-pip — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — python3.11-pip — vulnerability — patch and remediation guide (ELSA-2023-6324)

🟡 Medium   ⏱ 10–30 min  Last verified: 21 October 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-6324 Related CVEs: CVE-2007-4559 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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How to Install and Configure OpenVPN on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install and Configure OpenVPN on RHEL 9

OpenVPN is a mature, battle-tested VPN solution that supports TLS-based encryption and X.509 certificate authentication, making it well-suited for enterprise environments where certificate lifecycle management and strong mutual authentication are required. Unlike WireGuard, OpenVPN can traverse firewalls over TCP port 443, which is useful when UDP is blocked. On RHEL 9, OpenVPN 2.x is available […]

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NetBSD 9.4 — teamspeak-server — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — teamspeak-server — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2007-3956 CVE-2017-8290 Upstream summary: pkgsrc audit-packages flagged teamspeak-server<2.0.23.19 for vulnerability class 'remote-file-reading'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3956 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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openSUSE Tumbleweed — sox — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — sox — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2023:0328-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-40426 CVE-2023-34318 CVE-2019-13590 CVE-2021-3643 CVE-2022-31650 CVE-2022-31651 CVE-2023-32627 CVE-2017-11332  +9 more Upstream summary: A heap-based buffer overflow vulnerability exists in the sphere.c start_read() functionality of Sound […]

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Oracle Linux 8 — webkit2gtk3 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — webkit2gtk3 — vulnerability — patch and remediation guide (ELSA-2023-1919)

🟠 High   ⏱ 15–60 min  Last verified: 21 October 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-1919 Related CVEs: CVE-2023-28205 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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Debian 12 — gimp — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — gimp — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 21 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-3404 CVE-2006-4519 CVE-2007-2356 CVE-2007-2949 CVE-2007-3126 CVE-2007-3741 CVE-2009-1570 CVE-2009-3909  +12 more Upstream summary: Buffer overflow in the xcf_load_vector function in app/xcf/xcf-load.c for gimp before 2.2.12 allows user-assisted attackers to […]

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openSUSE Leap 15.5 — openssh — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — openssh — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:2413-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-38408 CVE-2023-51385 Upstream summary: The PKCS#11 feature in ssh-agent in OpenSSH before 9.3p2 has an insufficiently trustworthy search path, leading to remote code execution […]

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How to Set Up File Integrity Monitoring with AIDE on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set Up File Integrity Monitoring with AIDE on Debian 12

Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up set up file integrity monitoring with aide on debian 12 on Bookworm leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bookworm freeze. Follow each […]

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How to Configure libvirt on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure libvirt on CentOS Stream 9

Introduction This tutorial demonstrates how to Configure libvirt 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 AppStream […]

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