🟡 Medium ⏱ 5–30 min Last verified: 18 February 2021 Affected versions: Ubuntu 14.04 LTS 📖 ~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 […]
🟢 Low ⏱ 5–15 min Last verified: 18 February 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2021-23358 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
Introduction Setting up secure apache with let’s encrypt on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Secure Apache with Let’s Encrypt on Oracle Linux 8, with all the commands you need, the SELinux and firewalld […]
🟢 Low ⏱ 5–15 min Last verified: 18 February 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5245-1 Related CVEs: CVE-2021-26291 Upstream summary: It was discovered that Apache Maven followed repositories that are defined in a dependency's Project Object Model (pom) even if the repositories weren't encrypted […]
🟢 Low ⏱ 5–15 min Last verified: 18 February 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4457-1 Related CVEs: CVE-2020-15709 Upstream summary: Jason A. Donenfeld discovered that Software Properties incorrectly filtered certain escape sequences when displaying PPA descriptions. If a user were tricked into adding an […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2020:1183-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-16116 CVE-2020-24654 Upstream summary: In kerfuffle/jobs.cpp in KDE Ark before 20.08.0, a crafted archive can install files outside the extraction directory via ../ directory traversal. […]
🟠 High ⏱ 15–60 min Last verified: 18 February 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4944-1 Related CVEs: https://launchpad.net/bugs/1926926 CVE-2020-13249 CVE-2020-15180 CVE-2020-2752 CVE-2020-2760 CVE-2020-2812 CVE-2020-2814 CVE-2020-2574 +10 more Upstream summary: This update fixed multiple vulnerabilities in MariaDB. Ubuntu 18.04 LTS has been updated to MariaDB […]
Introduction How to Set Up Dovecot IMAP Server 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 […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202407-23 Related CVEs: CVE-2020-24027 CVE-2021-38380 CVE-2021-38381 CVE-2021-38382 CVE-2021-39282 CVE-2021-39283 CVE-2018-4013 CVE-2019-15232 +4 more Upstream summary: Multiple vulnerabilities have been discovered in LIVE555 Media Server. Please review the CVE identifiers referenced below for […]
🟢 Low ⏱ 5–15 min Last verified: 18 February 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5148-1 Related CVEs: CVE-2021-3504 Upstream summary: It was discovered that hivex incorrectly handled certain input. An attacker could use this vulnerability to cause a crash or obtain sensitive information. Table […]
