Package Management

FreeBSD 12 — pwlib — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — pwlib — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Vulnerabilities in H.323 implementations Related CVEs: CVE-2004-0097 Upstream summary: The NISCC and the OUSPG developed a test suite for the H.323 protocol. This test suite has uncovered vulnerabilities in several […]

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Ubuntu 18.04 — tcpdump — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — tcpdump — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 5 April 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5331-2 Related CVEs: CVE-2018-16301 CVE-2020-8037 CVE-2017-16808 CVE-2018-10103 CVE-2018-10105 CVE-2018-14461 CVE-2018-14462 CVE-2018-14463  +12 more Upstream summary: USN-5331-1 fixed several vulnerabilities in tcpdump. This update provides the corresponding update for Ubuntu 18.04 […]

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Debian 10 — icu — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — icu — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 April 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-10531 CVE-2020-21913 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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openSUSE Tumbleweed — grype-db — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — grype-db — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory Related CVEs: CVE-2004-0377 Upstream summary: Buffer overflow in the win32_stat function for (1) ActiveState's ActivePerl and (2) Larry Wall's Perl before 5.8.3 allows local or remote attackers to execute arbitrary commands […]

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Common Problems 118514

Ubuntu 16.04 LTS failed unattended-upgrades lock prevents manual patching

🟡 Medium   ⏱ 5–30 min  Last verified: 4 April 2020 Affected versions: 16.04 📖 ~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 […]

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How to Set Up the ELK Stack on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Set Up the ELK Stack on SLES 15

Introduction This tutorial covers How to Set Up the ELK Stack on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: […]

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openSUSE Tumbleweed — libimobiledevice6 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libimobiledevice6 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2013-2142 Upstream summary: userpref.c in libimobiledevice 1.1.4, when $HOME and $XDG_CONFIG_HOME are not set, allows local users to overwrite arbitrary files via a symlink attack […]

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How to Set Up a Certificate Authority with OpenSSL on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up a Certificate Authority with OpenSSL on Debian 10

Introduction Deploying set up a certificate authority with openssl on debian 10 on a Debian 10 Buster 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. […]

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