ubuntu

Ubuntu 24.04 — smarty3 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — smarty3 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 July 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7158-1 Related CVEs: CVE-2018-25047 CVE-2023-28447 CVE-2024-35226 Upstream summary: It was discovered that Smarty incorrectly handled query parameters in requests. An attacker could possibly use this issue to inject arbitrary Javascript […]

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Ubuntu 22.04 — mariadb-10.6 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — mariadb-10.6 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 7 July 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7519-1 Related CVEs: CVE-2023-52969 CVE-2023-52970 CVE-2025-30693 CVE-2025-30722 CVE-2025-21490 CVE-2024-21096 CVE-2022-47015 CVE-2023-22084  +12 more Upstream summary: Several security issues were discovered in MariaDB and this update includes a new upstream MariaDB […]

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Common Problems 116590

Ubuntu 24.04 LTS – pip install fails with externally-managed-environment – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 5 July 2025 Affected versions: Ubuntu 24.04 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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Ubuntu 24.04 — redis — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — redis — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 5 July 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8169-1 Related CVEs: CVE-2025-49844 CVE-2022-24834 CVE-2024-31449 CVE-2025-32023 CVE-2024-31228 CVE-2024-46981 CVE-2024-51741 Upstream summary: It was discovered that Redis incorrectly handled certain specially crafted Lua scripts. A remote attacker could possibly use […]

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Ubuntu 20.04 — containerd-app — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — containerd-app — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 5 July 2025 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7983-1 Related CVEs: CVE-2025-64329 CVE-2024-25621 CVE-2024-40635 Upstream summary: David Leadbeater discovered that containerd incorrectly set certain directory path permissions. An attacker could possibly use this issue to achieve unauthorised access […]

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Ubuntu 24.04 — ruby-saml — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — ruby-saml — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 5 July 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7409-1 Related CVEs: CVE-2025-25291 CVE-2025-25292 CVE-2025-25293 CVE-2016-5697 CVE-2017-11428 CVE-2024-45409 Upstream summary: It was discovered that ruby-saml did not correctly handle XML parsing. An attacker could possibly use this issue to […]

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Ubuntu 22.04 — poppler — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — poppler — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 5 July 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7858-1 Related CVEs: CVE-2025-52885 CVE-2025-43718 CVE-2025-50420 CVE-2025-52886 CVE-2025-43903 CVE-2025-32364 CVE-2025-32365 CVE-2024-56378  +9 more Upstream summary: It was discovered that poppler incorrectly handled certain PDF files. An attacker could possibly use […]

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How to Set Up Two-Factor Authentication (2FA) for SSH on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Install and Configure ClamAV on Ubuntu 24.04

ClamAV is a free open-source antivirus engine for detecting trojans, viruses, malware, and other malicious threats. While Linux servers are less susceptible to viruses than Windows, ClamAV is essential for scanning files from mixed environments. This guide installs ClamAV on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server […]

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How to Secure MySQL 8.0 on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Back Up and Restore MySQL Databases on Ubuntu 24.04

Regular database backups are essential. This guide covers multiple methods for backing up and restoring MySQL 8.0 databases on Ubuntu 24.04 LTS — from simple mysqldump exports to automated cron jobs. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server with MySQL 8.0 installed A user with sudo privileges Step 1 – […]

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Ubuntu 20.04 — puma — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — puma — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 July 2025 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7031-2 Related CVEs: CVE-2024-45614 CVE-2020-11076 CVE-2020-11077 CVE-2022-23634 CVE-2022-24790 CVE-2023-40175 CVE-2024-21647 Upstream summary: USN-7031-1 fixed CVE-2024-45614 in Puma for Ubuntu 24.04 LTS. This update fixes the CVE for Ubuntu 22.04 LTS […]

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CHAT