🟡 Medium ⏱ 5–30 min Last verified: 1 November 2021 Affected versions: Ubuntu 20.04 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 […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2021:4464 Related CVEs: CVE-2021-3445 Upstream summary: dnf is a package manager that allows users to manage packages on their systems. It supports RPMs, modules and comps groups & environments. Security Fix(es): * […]
🟢 Low ⏱ 5–15 min Last verified: 1 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2019-20149 Upstream summary: ctorName in index.js in kind-of v6.0.2 allows external user input to overwrite certain internal attributes via a conflicting name, as demonstrated by 'constructor': {'name':'Symbol'}. Hence, […]
🟢 Low ⏱ 5–15 min Last verified: 1 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2003-0427 Upstream summary: Buffer overflow in mikmod 3.1.6 and earlier allows remote attackers to execute arbitrary code via an archive file that contains a file with a long […]
🟡 Medium ⏱ 10–30 min Last verified: 1 November 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2018-11782 CVE-2020-17525 CVE-2021-28544 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2023:0030-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-32837 Upstream summary: mechanize, a library for automatically interacting with HTTP web servers, contains a regular expression that is vulnerable to regular expression denial of […]
Lighttpd is a lightweight open-source web server optimized for high speed environments while keeping resource usage low. It is an excellent alternative to the commonly used web servers Nginx and Apache. In this tutorial, you will install and…
How to Build Grafana Dashboards for Linux Server Metrics on RHEL 7 Grafana is the de facto standard for visualising time-series data collected by Prometheus, InfluxDB, Graphite, and dozens of other data sources. A well-constructed Grafana dashboard can surface CPU saturation, memory pressure, disk I/O bottlenecks, and network anomalies at a glance, dramatically reducing the […]
🟢 Low ⏱ 5–15 min Last verified: 31 October 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2022-2110 Related CVEs: CVE-2021-3981 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
🟢 Low ⏱ 5–15 min Last verified: 31 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2008-0162 Upstream summary: misc.c in splitvt 1.6.6 and earlier does not drop group privileges before executing xprop, which allows local users to gain privileges. Table of contents Symptom […]
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