DNS

FreeBSD 14 — bind96-base — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — bind96-base — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 July 2024 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: bind — denial of service vulnerability Related CVEs: CVE-2012-5166 CVE-2013-3919 CVE-2014-0591 CVE-2014-8500 CVE-2014-8680 Upstream summary: ISC reports: We have today posted updated versions of 9.9.6 and 9.10.1 to address a […]

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Alpine Linux 3.19 — coredns — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — coredns — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 1.9.3-r0 📖 ~4 min read  •  Source: Alpine secdb entry — coredns 1.9.3-r0 Related CVEs: CVE-2022-27191 CVE-2022-28948 Upstream summary: Alpine community repository for vv3.19 ships coredns 1.9.3-r0 which addresses CVE-2022-27191. Table of contents Symptom & Impact […]

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Common Problems 114439

SELinux Denials Breaking Web Application Access

🟡 Medium   ⏱ 5–30 min  Last verified: 23 July 2024 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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FreeBSD 14 — avahi-libdns — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — avahi-libdns — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 July 2024 Affected versions: FreeBSD 14 📖 ~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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FreeBSD 14 — p5-Net-DNS — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — p5-Net-DNS — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 July 2024 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: p5-Net-DNS — multiple Vulnerabilities Related CVEs: CVE-2007-3377 CVE-2007-3409 Upstream summary: A Secunia Advisory reports: An error exists in the handling of DNS queries where IDs are incremented with a fixed […]

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How to Set Up a Private Docker Registry on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Set Up a Private Docker Registry on FreeBSD 14

Introduction This guide explains how to Set Up a Private Docker Registry on FreeBSD 14 on FreeBSD 14. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum […]

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Debian 11 — dnsjava — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — dnsjava — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 22 July 2024 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-50387 CVE-2023-50868 CVE-2024-25638 Upstream summary: Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote attackers to cause a denial […]

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Common Problems 114598

Intermittent DNS Resolution On RHEL 9 Servers

🟡 Medium   ⏱ 5–30 min  Last verified: 22 July 2024 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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How to Configure Docker Daemon TLS Encryption on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure Docker Daemon TLS Encryption on RHEL 9

By default, the Docker daemon socket (/var/run/docker.sock) is a Unix socket accessible only locally. When the Docker daemon needs to be accessible over the network — for remote Docker management, CI/CD pipelines connecting to a remote build host, or Docker Swarm cluster communication — TLS encryption must be configured to prevent man-in-the-middle attacks and unauthorised […]

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Ubuntu 14.04 — unbound — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — unbound — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 15 July 2024 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7080-1 Related CVEs: CVE-2024-8508 CVE-2024-43167 CVE-2024-43168 CVE-2017-15105 CVE-2014-8602 Upstream summary: Toshifumi Sakaguchi discovered that Unbound incorrectly handled name compression for large RRsets, which could lead to excessive CPU usage. An […]

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