April 2020 - Page 17 of 66

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

FreeBSD 12 — pitivi — vulnerability — 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: pitivi — code execution Related CVEs: CVE-2015-0855 Upstream summary: Luke Farone reports: Double-clicking a file in the user's media library with a specially-crafted path or filename allows for arbitrary code […]

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Common Problems 116069

Ubuntu 26.04 LTS – chrony and systemd-timesyncd run together causing time flapping

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 26.04 LTS Ubuntu 26.04 Ubuntu 26.04.1 📖 ~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 […]

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

FreeBSD 12 — kdeedu — vulnerability — 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: kstars — exploitable set-user-ID application fliccd Related CVEs: CVE-2005-0011 Upstream summary: A KDE Security Advisory explains: Overview KStars includes support for the Instrument Neutral Distributed Interface (INDI). The build system […]

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How to Configure Zabbix Agent on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Zabbix Agent on Debian 9

Introduction Deploying configure zabbix agent on debian 9 on a Debian 9 Stretch 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. Prerequisites Before you begin, […]

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

FreeBSD 12 — apache-tomcat — 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: tomcat — XSS vulnerability in sample applications Related CVEs: CVE-2005-2090 CVE-2007-0450 CVE-2007-1355 CVE-2007-1358 Upstream summary: The Apache Project reports: The JSP and Servlet included in the sample application within the […]

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Ubuntu 18.04 — wavpack — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — wavpack — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4682-1 Related CVEs: CVE-2020-35738 CVE-2019-1010315 CVE-2019-1010317 CVE-2019-1010318 CVE-2019-1010319 CVE-2019-11498 CVE-2018-19840 CVE-2018-19841  +5 more Upstream summary: It was discovered that WavPack incorrectly handled certain WAV files. An attacker could possibly use […]

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Common Problems 112905

Windows Server 2016 – LSASS high CPU and authentication slowdowns – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 01 April 2027 Affected versions: Windows Server 2016 📖 ~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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Ubuntu 18.04 — opendmarc — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — opendmarc — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6356-1 Related CVEs: CVE-2020-12272 CVE-2020-12460 CVE-2019-16378 Upstream summary: Jianjun Chen, Vern Paxson and Jian Jiang discovered that OpenDMARC incorrectly handled certain inputs. If a user or an automated system were […]

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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2020-5756)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-5756 Related CVEs: CVE-2020-0543 CVE-2020-10757 CVE-2020-10711 CVE-2020-12655 CVE-2020-12770 CVE-2019-19769 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Manage Users and Groups on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Manage Users and Groups on Debian 10

Introduction How to Manage Users and Groups on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 10. […]

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