November 2021 - Page 65 of 66

AlmaLinux 8 — libdnf — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libdnf — vulnerability — patch and remediation guide

🟡 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): * […]

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Common Problems 121603

Debian 9: Docker daemon fails after kernel or cgroup changes

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Debian 9 📖 ~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 & […]

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openSUSE Tumbleweed — python38-mechanize — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python38-mechanize — vulnerability — patch and remediation guide

🟠 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 […]

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How to Monitor MySQL with Prometheus on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Monitor MySQL with Prometheus on FreeBSD 13

Introduction This guide explains how to Monitor MySQL with Prometheus on FreeBSD 13 on FreeBSD 13. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained […]

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Common Problems 117537

Ubuntu 20.04 LTS – kernel update leaves system stuck on old version – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 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 […]

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FreeBSD 13 — libosip — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — libosip — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: osip — Improper Restriction of Operations within the Bounds of a Memory Buffer Related CVEs: CVE-2017-7853 Upstream summary: osip developers reports: In libosip2 in GNU oSIP 4.1.0 and 5.0.0, a […]

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FreeBSD 13 — pitivi — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — pitivi — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pitivi — code execution Related CVEs: CVE-2015-0855 Upstream summary: Luke Farone reports: Double-clicking a file in the user's media library with a specially-crafted path or filename allows for arbitrary code […]

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