Package Management

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

openSUSE Tumbleweed — exif — 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 (see also SUSE bugzilla) Related CVEs: CVE-2012-2845 Upstream summary: Integer overflow in the jpeg_data_load_data function in jpeg-data.c in libjpeg in exif 0.6.20 allows remote attackers to cause a denial of service […]

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How to Configure Apache2 Virtual Hosts on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Apache2 Virtual Hosts on Debian 9

Introduction Deploying configure apache2 virtual hosts 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 Ensure Debian […]

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How to Configure Micro-Partitioning on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure Micro-Partitioning on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure micro-partitioning on ibm aix 7.1 on IBM AIX […]

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Gentoo Linux — net-misc/dropbear — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-misc/dropbear — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202007-53 Related CVEs: CVE-2018-0739 CVE-2018-12437 CVE-2018-20685 Upstream summary: Multiple vulnerabilities have been discovered in Dropbear. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & […]

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FreeBSD 12 — wesnoth-devel — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — wesnoth-devel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Wesnoth — Remote information disclosure Related CVEs: CVE-2015-0844 Upstream summary: US-CERT/NIST reports: The WML/Lua API in Battle for Wesnoth 1.7.x through 1.11.x and 1.12.x before 1.12.2 allows remote attackers to […]

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FreeBSD 12 — isc-dhcp41-server — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — isc-dhcp41-server — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: isc-dhcpd — Denial of Service Related CVEs: CVE-2010-3611 CVE-2011-0413 CVE-2011-2748 CVE-2011-2749 CVE-2011-4539 CVE-2012-3570 CVE-2012-3571 CVE-2012-3954  +1 more Upstream summary: ISC reports: A badly formed packet with an invalid IPv4 UDP […]

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Gentoo Linux — media-libs/lcms — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — media-libs/lcms — 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-202105-18 Related CVEs: CVE-2018-16435 Upstream summary: It was discovered that LittleCMS (aka Little Color Management System) had an integer overflow in the AllocateDataSet function in cmscgats.c. Table of contents Symptom & Impact […]

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Ubuntu 16.04 — postgresql-common — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — postgresql-common — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 December 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4194-1 Related CVEs: CVE-2019-3466 CVE-2016-1255 CVE-2017-8806 Upstream summary: Rich Mirch discovered that the postgresql-common pg_ctlcluster script incorrectly handled directory creation. A local attacker could possibly use this issue to escalate […]

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

Arch Linux — libnl — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201706-35 Related CVEs: CVE-2017-0553 Upstream summary: Type: privilege escalation. Status: Fixed. Affected: 3.2.29-2. Fixed in: 3.3.0-1. Group: AVG-292. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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How to Set Up Two-Factor Authentication for SSH with Google Authenticator on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up Two-Factor Authentication for SSH with Google Authenticator on RHEL 7

How to Set Up Two-Factor Authentication for SSH with Google Authenticator on RHEL 7 Password-based SSH authentication is vulnerable to brute-force attacks, credential stuffing, and phishing. Adding a second authentication factor — a time-based one-time password (TOTP) generated by an app like Google Authenticator or Authy — dramatically reduces this risk. Even if an attacker […]

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