Package Management

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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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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Common Problems 118408

Hash Sum Mismatch on apt update

🟡 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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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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Alpine Linux edge — podofo — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — podofo — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.9.7-r0 📖 ~4 min read  •  Source: Alpine secdb entry — podofo 0.9.7-r0 Related CVEs: CVE-2019-9199 CVE-2019-9687 CVE-2018-19532 CVE-2018-20751 CVE-2018-20797 CVE-2019-10723 CVE-2019-20093 CVE-2017-6848  +12 more Upstream summary: Alpine community repository for vedge ships podofo 0.9.7-r0 which […]

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How to Use dbx Debugger on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use dbx Debugger on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use dbx debugger on ibm aix 7.1 on IBM […]

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How to Set Up a Git Server with Gitea on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Install Terraform on Ubuntu 26.04

Terraform is HashiCorp’s infrastructure-as-code tool that lets you define cloud and on-premises resources in human-readable configuration files that you can version, reuse, and share. This guide installs Terraform on Ubuntu 26.04 LTS and runs a first configuration. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS A user with sudo privileges Cloud provider […]

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