Logging Monitoring

FreeBSD 12 — imp — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — imp — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: horde — Phishing and Cross-Site Scripting Vulnerabilities Upstream summary: Secunia reports: Some vulnerabilities have been reported in Horde, which can be exploited by malicious people to conduct phishing and cross-site […]

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FreeBSD 12 — tightvnc — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — tightvnc — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: TightVNC — Muliple Vulnerabilities Related CVEs: CVE-2019-15678 CVE-2019-15679 CVE-2019-15680 CVE-2019-8287 Upstream summary: MITRE reports: TightVNC code version 1.3.10 contains global buffer overflow in HandleCoRREBBP macro function, which can potentially result […]

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Ubuntu 18.04 — lua5.3 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — lua5.3 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3941-1 Related CVEs: CVE-2019-6706 Upstream summary: Fady Othman discovered that Lua incorrectly handled certain scripts. An attacker could possibly use this issue to cause a denial of service. Table of […]

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How to Configure AppLocker on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure AppLocker on Windows Server 2019

Introduction to AppLocker AppLocker is an application whitelisting feature in Windows Server 2019 (Enterprise and later editions) that allows administrators to control which applications, scripts, installers, and DLLs are allowed to run based on configurable rules. Unlike software restriction policies (its predecessor), AppLocker is rule-based, auditable, and can be managed through Group Policy and PowerShell. […]

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Ubuntu 14.04 — irssi — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — irssi — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3862-1 Related CVEs: CVE-2019-5882 CVE-2018-7050 CVE-2018-7051 CVE-2018-7052 CVE-2018-7053 CVE-2018-7054 CVE-2018-5205 CVE-2018-5206  +12 more Upstream summary: It was discovered that Irssi incorrectly handled certain inputs. An attacker could possibly use this […]

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SLES 15 — libgvnc — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libgvnc — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:3125-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-5884 CVE-2017-5885 Upstream summary: gtk-vnc before 0.7.0 does not properly check boundaries of subrectangle-containing tiles, which allows remote servers to execute arbitrary code via the […]

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How to Set Up a CI/CD Pipeline with Tekton on Kubernetes on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Set Up a CI/CD Pipeline with Tekton on Kubernetes on RHEL 9

Tekton is a Kubernetes-native open-source framework for building continuous integration and delivery (CI/CD) pipelines. Unlike Jenkins or GitLab CI, Tekton runs entirely as Kubernetes Custom Resource Definitions (CRDs), meaning every pipeline, task, and run is a Kubernetes object you manage with kubectl — no separate CI server to maintain. This cloud-native approach gives you full […]

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openSUSE Tumbleweed — libsrtp1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libsrtp1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2013-2139 CVE-2015-6360 Upstream summary: Buffer overflow in srtp.c in libsrtp in srtp 1.4.5 and earlier allows remote attackers to cause a denial of service (crash) […]

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Common Problems 117951

Ubuntu 18.04 DNS Resolution Fails Intermittently

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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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