April 2020 - Page 31 of 66

Ubuntu 14.04 — ruby1.9.1 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — ruby1.9.1 — 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-3945-1 Related CVEs: CVE-2019-8320 CVE-2019-8321 CVE-2019-8322 CVE-2019-8323 CVE-2019-8324 CVE-2019-8325 CVE-2018-16395 CVE-2018-16396  +12 more Upstream summary: It was discovered that Ruby incorrectly handled certain RubyGems. An attacker could possibly use this […]

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How to Configure Kerberos Authentication on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure Kerberos Authentication on Windows Server 2012 R2

How to Configure Kerberos Authentication on Windows Server 2012 R2 Kerberos is the default authentication protocol for Windows domain environments and has been so since Windows 2000. It provides mutual authentication, meaning both the client and the server verify each other’s identity, and it uses tickets that are time-limited, eliminating the need to repeatedly present […]

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How to Set Up Concourse CI on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up Concourse CI on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up set up concourse ci on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully and […]

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

SLES 15 — dia — 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 security advisory (see also SUSE bugzilla) Related CVEs: CVE-2008-5984 CVE-2019-19451 Upstream summary: Untrusted search path vulnerability in the Python plugin in Dia 0.96.1, and possibly other versions, allows local users to execute arbitrary […]

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FreeBSD 12 — firefox-esr — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — firefox-esr — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: firefox ESR — Other issue in the WebRTC component Related CVEs: CVE-2011-3079 CVE-2012-2808 CVE-2014-1492 CVE-2014-1493 CVE-2014-1494 CVE-2014-1496 CVE-2014-1497 CVE-2014-1498  +12 more Upstream summary: https://bugzilla.mozilla.org/show_bug.cgi?id=2035939 reports: Other issue in the WebRTC […]

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How to Use Prometheus Blackbox Exporter for Endpoint Monitoring on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Use Prometheus Blackbox Exporter for Endpoint Monitoring on RHEL 8

The Prometheus Blackbox Exporter probes external endpoints over HTTP, HTTPS, TCP, ICMP, and DNS and exposes the results as Prometheus metrics. Unlike Node Exporter, which reports host-level statistics, the Blackbox Exporter answers the question “can this URL be reached right now?” — making it the right tool for synthetic uptime monitoring and SLA measurement. This […]

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

openSUSE Tumbleweed — trojita — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory Related CVEs: CVE-2014-2567 Upstream summary: The OpenConnectionTask::handleStateHelper function in Imap/Tasks/OpenConnectionTask.cpp in Trojita before 0.4.1 allows man-in-the-middle attackers to trigger use of cleartext for saving a message into a (1) sent or […]

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Common Problems 118931

Ubuntu 14.04 LTS broken dependencies after interrupted upgrade

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: 14.04 LTS 📖 ~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 & […]

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