Linux

AlmaLinux 8 — firefox — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — firefox — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • May 8, 2025
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2024:1484 Related CVEs: CVE-2023-5388 CVE-2024-0743 CVE-2024-2607 CVE-2024-2608 CVE-2024-2610 CVE-2024-2611 CVE-2024-2612 CVE-2024-2614  +12 more Upstream summary: Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades […]

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How to Configure LVM on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Configure LVM on CentOS Stream 10

  • May 7, 2025
  • CentOS
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Introduction How to Configure LVM on CentOS Stream 10 on CentOS Stream 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible […]

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Debian 11 — node-form-data — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-form-data — vulnerability — patch and remediation guide

  • May 7, 2025
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 7 May 2025 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-7783 Upstream summary: Use of Insufficiently Random Values vulnerability in form-data allows HTTP Parameter Pollution (HPP). This vulnerability is associated with program files lib/form_data.Js. This issue affects form-data: […]

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Ubuntu 24.04 — puma — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — puma — vulnerability — patch and remediation guide

  • May 7, 2025
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 7 May 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7031-1 Related CVEs: CVE-2024-45614 Upstream summary: It was discovered that Puma incorrectly handled parsing certain headers. A remote attacker could possibly use this issue to overwrite header values set by […]

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Alpine Linux 3.20 — py3-yaml — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — py3-yaml — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • May 7, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 5.4-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-yaml 5.4-r0 Related CVEs: CVE-2020-14343 CVE-2020-1747 Upstream summary: Alpine main repository for vv3.20 ships py3-yaml 5.4-r0 which addresses CVE-2020-14343. Table of contents Symptom & Impact […]

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Common Problems 114512

RHEL 9 Service Starts Manually but Not on Boot

  • May 7, 2025
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 7 May 2025 📖 ~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 & Cross-Refs References & Further […]

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Ubuntu 18.04 — twitter-bootstrap3 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — twitter-bootstrap3 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • May 7, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 7 May 2025 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7556-1 Related CVEs: CVE-2024-6484 CVE-2024-6531 CVE-2024-6485 Upstream summary: It was discovered that Bootstrap did not correctly sanitize certain input in the carousel component. An attacker could possibly use this issue […]

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Rocky Linux 8 — perl-ExtUtils-MakeMaker — vulnerability — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — perl-ExtUtils-MakeMaker — vulnerability — patch and remediation guide

  • May 7, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:8096 Related CVEs: CVE-2025-40909 Upstream summary: Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Security Fix(es): * perl: Perl threads have […]

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Alpine Linux 3.20 — libevent — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — libevent — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • May 7, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 2.1.8-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libevent 2.1.8-r0 Related CVEs: CVE-2016-10195 CVE-2016-10196 CVE-2016-10197 Upstream summary: Alpine main repository for vv3.20 ships libevent 2.1.8-r0 which addresses CVE-2016-10195. Table of contents Symptom & […]

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Ubuntu 16.04 — python-apt — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — python-apt — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • May 7, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 7 May 2025 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7916-1 Related CVEs: CVE-2025-6966 https://launchpad.net/bugs/1907676 CVE-2020-27351 https://launchpad.net/bugs/1860606 CVE-2019-15795 CVE-2019-15796 Upstream summary: Julian Andres Klode discovered that python-apt incorrectly handled deb822 configuration files. An attacker could use this issue to cause […]

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