April 2022 - Page 66 of 70

How to Configure Traefik Reverse Proxy on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure Traefik Reverse Proxy on CentOS Stream 9

Introduction Setting up configure traefik reverse proxy on centos stream 9 on a CentOS Stream 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure Traefik Reverse Proxy on CentOS Stream 9, with all the commands you need, the SELinux and firewalld considerations to […]

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openSUSE Tumbleweed — libspf2 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libspf2 — vulnerability — 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-2021:1187-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-20314 Upstream summary: Stack buffer overflow in libspf2 versions below 1.2.11 when processing certain SPF macros can lead to Denial of service and potentially code […]

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openSUSE Tumbleweed — ruby3.1-rubygem-activestorage — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — ruby3.1-rubygem-activestorage — vulnerability — 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-2025:15113-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-21831 Upstream summary: A code injection vulnerability exists in the Active Storage >= v5.2.0 that could allow an attacker to execute code via image_processing arguments. […]

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

FreeBSD 13 — libksba — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libksba — local denial of service vulnerabilities Related CVEs: CVE-2016-4353 CVE-2016-4354 CVE-2016-4355 CVE-2016-4356 Upstream summary: Martin Prpic, Red Hat Product Security Team, reports: Denial of Service due to stack overflow […]

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FreeBSD 13 — upnp — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — upnp — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: upnp — stack overflow vulnerability Related CVEs: CVE-2012-5958 CVE-2012-5959 CVE-2012-5960 CVE-2012-5961 CVE-2012-5962 CVE-2012-5963 CVE-2012-5964 CVE-2012-5965  +4 more Upstream summary: Mitre reports: A stack overflow in pupnp 1.16.1 can cause the […]

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

Debian 11 — litmus — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-2474 Upstream summary: neon before 0.28.6, when OpenSSL or GnuTLS is used, does not properly handle a '\0' character in a domain name in the subject's Common Name […]

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How to Write Ansible Playbooks for Debian 11 Systems — step-by-step Debian 11 tutorial on Progressive Robot

How to Write Ansible Playbooks for Debian 11 Systems

Introduction Deploying write ansible playbooks for debian 11 systems on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you […]

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Oracle Linux 8 — .NET 6.0 security and bugfix update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — .NET 6.0 security and bugfix update (ELSA-2022-6911)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6911 Related CVEs: CVE-2022-41032 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 11 — guake — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — guake — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-23556 Upstream summary: The package guake before 3.8.5 are vulnerable to Exposed Dangerous Method or Function due to the exposure of execute_command and execute_command_by_uuid methods via the d-bus […]

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FreeBSD 13 — axel — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — axel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: axel — remote buffer overflow Related CVEs: CVE-2005-0390 Upstream summary: A Debian Security Advisory reports: Ulf Härnhammar from the Debian Security Audit Project discovered a buffer overflow in axel, a […]

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