How To Install a Fresh Percona Server or Replace MySQL
Percona Server is an open-source replacement for MySQL and MariaDB. This tutorial shows you how to replace an existing database installation, or start from scratch with Percona.
Debian 11 — dracut — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 24 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2012-4453 CVE-2016-8637 Upstream summary: dracut.sh in dracut, as used in Red Hat Enterprise Linux 6, Fedora 16 and 17, and possibly other products, creates initramfs images with world-readable […]
How To Add Swap Space on Ubuntu 18.04
One of the easiest way of guarding against out-of-memory errors in applications is to add some swap space to your server. In this guide, we will cover how to add a swap file to an Ubuntu 18.04 server.
Ubuntu 20.04 — node-css-what — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 24 October 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6065-1 Related CVEs: CVE-2021-33587 CVE-2022-21222 Upstream summary: It was discovered that css-what incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted […]
Ubuntu 14.04 LTS – MySQL service fails to start with InnoDB errors
🔴 Critical ⏱ 5–30 min Last verified: 23 October 2022 Affected versions: Ubuntu 14.04 LTS Ubuntu 14.04 Ubuntu 14.04.6 📖 ~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 […]
Debian 11 — libnss-db — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 23 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2010-0826 Upstream summary: The Free Software Foundation (FSF) Berkeley DB NSS module (aka libnss-db) 2.2.3pre1 reads the DB_CONFIG file in the current working directory, which allows local users […]
Debian 11 — fava — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 23 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2022-2514 CVE-2022-2523 CVE-2022-2589 Upstream summary: The time and filter parameters in Fava prior to v1.22 are vulnerable to reflected XSS due to the lack of escaping of error […]
Debian 11 — info2www — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 23 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2004-1341 Upstream summary: Cross-site scripting (XSS) vulnerability in info2www before 1.2.2.9 allows remote attackers to inject arbitrary web script or HTML via the arguments to info2www. Table of […]
Debian 11 — node-sshpk — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 23 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2018-3737 Upstream summary: sshpk is vulnerable to ReDoS when parsing crafted invalid public keys. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]
Ubuntu 22.04 LTS – apt install fails with broken dependencies – Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 23 October 2022 Affected versions: Ubuntu 22.04 LTS (Jammy) 📖 ~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 […]