How To Create a Self-Signed SSL Certificate for Apache in Ubuntu 22.04
In this guide, you will learn how to create and configure a self-signed TLS/SSL certificate with the Apache web server on Ubuntu 22.04.
How to Install Prometheus on Debian 11
Introduction How to Install Prometheus on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye 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 11. This tutorial […]
AlmaLinux 8 — libpmemobj-cpp — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALEA-2022:1943 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
Debian 11 — ruby-loofah — multiple vulnerabilities (6 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 20 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2018-16468 CVE-2018-8048 CVE-2019-15587 CVE-2022-23514 CVE-2022-23515 CVE-2022-23516 Upstream summary: In the Loofah gem for Ruby, through v2.2.2, unsanitized JavaScript may occur in sanitized output when a crafted SVG element […]
Debian 11 — mpmath — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 20 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2021-29063 Upstream summary: A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in Mpmath v1.0.0 through v1.2.1 when the mpmathify function is called. Table of contents Symptom […]
Debian 11 — jansson — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 20 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2013-6401 CVE-2016-4425 CVE-2020-36325 Upstream summary: Jansson, possibly 2.4 and earlier, does not restrict the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial […]
Debian 11 High CPU Usage from Runaway Process
🟡 Medium ⏱ 5–30 min Last verified: 20 May 2022 Affected versions: Debian 11 📖 ~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 & […]
Debian 11 — xaos — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 20 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2003-0385 Upstream summary: Buffer overflow in xaos 3.0-23 and earlier, when running setuid, allows local users to gain root privileges via a long -language option. Table of contents […]
Debian 11 — swatch — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 20 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2002-0896 Upstream summary: The throttle capability in Swatch may fail to report certain events if (1) the same type of event occurs after the throttle period, or (2) […]
Debian 11 — android-platform-frameworks-base — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 20 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2021-39796 CVE-2022-20011 Upstream summary: In HarmfulAppWarningActivity of HarmfulAppWarningActivity.java, there is a possible way to trick victim to install harmful app due to a tapjacking/overlay attack. This could lead […]
