Logging Monitoring

FreeBSD 13 — linux-f8-pango — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — linux-f8-pango — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pango — integer overflow Related CVEs: CVE-2009-1194 Upstream summary: oCERT reports: Pango suffers from a multiplicative integer overflow which may lead to a potentially exploitable, heap overflow depending on the […]

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Gentoo Linux — mail-client/claws-mail — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — mail-client/claws-mail — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202007-56 Related CVEs: CVE-2020-15917 Upstream summary: It was discovered that Claws Mail was not properly handling state within the STARTTLS protocol handshake. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Ubuntu 18.04 — kmail — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — kmail — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 June 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7731-1 Related CVEs: CVE-2017-17689 CVE-2020-11880 Upstream summary: Damian Poddebniak, Christian Dresen, Jens Müller, Fabian Ising, Sebastian Schinzel, Simon Friedberger, Juraj Somorovsky, and Jörg Schwenk discovered that KMail could be made […]

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How to Configure restic Backup Solution on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure restic Backup Solution on Debian 9

Introduction How to Configure restic Backup Solution on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch 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 9. […]

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Ubuntu 20.04 — icu — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — icu — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 June 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5156-1 Related CVEs: CVE-2021-30535 Upstream summary: It was discovered that ICU contains a double free issue. An attacker could use this issue to cause a denial of service or possibly […]

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Arch Linux — lz4 — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — lz4 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202105-27 Related CVEs: CVE-2021-3520 Upstream summary: Type: denial of service. Status: Fixed. Affected: 1:1.9.3-1. Fixed in: 1:1.9.3-2. Group: AVG-1889. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Oracle Linux 8 — thunderbird — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — thunderbird — vulnerability — patch and remediation guide (ELSA-2020-2046)

🔴 Critical   ⏱ 15–90 min  Last verified: 7 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-2046 Related CVEs: CVE-2020-6831 CVE-2020-12387 CVE-2020-12397 CVE-2020-12395 CVE-2020-12392 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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FreeBSD 13 — zh-wordpress-zh_TW — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — zh-wordpress-zh_TW — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 7 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: wordpress — XSS Related CVEs: CVE-2010-4257 CVE-2013-0235 CVE-2013-0236 CVE-2013-0237 CVE-2013-2199 CVE-2013-2200 CVE-2013-2201 CVE-2013-2202  +12 more Upstream summary: The WordPress team reports: A cross-site scripting (XSS) vulnerability affecting the Avatar block […]

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How to Set Up BGP Routing on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up BGP Routing on Windows Server 2019

Introduction to BGP Routing on Windows Server 2019 Border Gateway Protocol (BGP) is the routing protocol that powers the internet, used to exchange routing information between autonomous systems (AS). In Windows Server 2019, BGP routing is available as part of the Remote Access role and is commonly used in software-defined networking scenarios, branch office connectivity, […]

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