Security Hardening

How to Set Up MariaDB Galera Cluster on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up MariaDB Galera Cluster on Debian 10

Introduction Deploying set up mariadb galera cluster 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. Prerequisites Ensure […]

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Gentoo Linux — dev-embedded/u-boot-tools — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-embedded/u-boot-tools — 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-202405-23 Related CVEs: CVE-2020-8432 Upstream summary: A vulnerability has been discovered in U-Boot tools. Please review the CVE identifier referenced below for details. Table of contents Symptom & Impact Environment & Reproduction […]

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FreeBSD 12 — py36-requests — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py36-requests — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: www/py-requests — Information disclosure vulnerability Upstream summary: The Requests package before 2.20.0 for Python sends an HTTP Authorization header to an http URI upon receiving a same-hostname https-to-http redirect, which […]

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

FreeBSD 12 — mcollective — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mcollective — cert valication issue Related CVEs: CVE-2014-3251 Upstream summary: Melissa Stone reports: The MCollective aes_security public key plugin does not correctly validate certs against the CA. By exploiting this […]

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FreeBSD 12 — zh-pine — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — zh-pine — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pine remotely exploitable buffer overflow in newmail.c Related CVEs: CVE-2002-1320 CVE-2003-0720 CVE-2003-0721 Upstream summary: Kris Kennaway reports a remotely exploitable buffer overflow in newmail.c. Mike Silbersack submitted the fix. Table […]

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FreeBSD 12 — py38-beaker — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py38-beaker — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-beaker — arbitrary code execution vulnerability Related CVEs: CVE-2013-7489 Upstream summary: matheusbrat reports: The Beaker library through 1.12.1 for Python is affected by deserialization of untrusted data, which could lead […]

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Gentoo Linux — net-ftp/atftp — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-ftp/atftp — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202003-14 Related CVEs: CVE-2019-11365 CVE-2019-11366 Upstream summary: Multiple vulnerabilities have been discovered in atftp. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & Reproduction […]

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SLES 12 — libjpeg8 — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — libjpeg8 — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 2 April 2020 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2020:173-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-2201 CVE-2020-17541 CVE-2020-35538 CVE-2020-13790 CVE-2014-9092 CVE-2017-15232 CVE-2018-1152 CVE-2018-11813  +1 more Upstream summary: In generate_jsimd_ycc_rgb_convert_neon of jsimd_arm64_neon.S, there is a possible out of bounds write due […]

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Arch Linux — gdk-pixbuf2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — gdk-pixbuf2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201610-9 Related CVEs: CVE-2016-6352 CVE-2020-29385 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 2.34.0-2. Fixed in: 2.36.0+2+ga7c869a-1. Group: AVG-2. Table of contents Symptom & Impact Environment & Reproduction Root […]

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

FreeBSD 12 — mozilla-firebird — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 2 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: firefox & mozilla — multiple vulnerabilities Related CVEs: CVE-2004-0762 CVE-2004-0765 CVE-2004-0904 CVE-2004-0905 CVE-2004-0908 CVE-2004-0909 CVE-2004-1156 CVE-2004-1157  +12 more Upstream summary: A Mozilla Foundation Security Advisory reports of multiple issues: Heap […]

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