ubuntu

Ubuntu 16.04 — libowasp-esapi-java — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libowasp-esapi-java — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 17 October 2025 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8181-1 Related CVEs: CVE-2022-23457 CVE-2022-24891 CVE-2025-5878 Upstream summary: Jaroslav Lobačevski discovered that ESAPI incorrectly validated directory paths during path verification. An attacker could possibly use this issue to bypass directory […]

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Common Problems 116410

Ubuntu 24.04 LTS – release upgrade check fails with third-party repositories – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 17 October 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 16.04 — lua5.1 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — lua5.1 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 October 2025 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8262-1 Related CVEs: CVE-2025-49844 Upstream summary: It was discovered that the Lua parser incorrectly handled garbage collection when processing specially crafted Lua scripts. A remote attacker could possibly use this […]

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

How to Install MongoDB 7.0 on Ubuntu 24.04

MongoDB 7.0 is a leading NoSQL document database that stores data as flexible JSON-like documents. This guide installs it on Ubuntu 24.04 LTS from the official MongoDB repository. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo privileges Step 1 – Import the MongoDB GPG Key Add the […]

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

Ubuntu 22.04 — ffmpeg — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 16 October 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7982-1 Related CVEs: CVE-2025-59728 CVE-2025-63757 CVE-2025-59731 CVE-2025-59733 CVE-2025-59732 CVE-2023-6603 CVE-2023-6605 CVE-2025-10256  +12 more Upstream summary: It was discovered that FFmpeg did not correctly handle certain memory operations. An attacker could […]

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Common Problems 116507

Ubuntu 24.04 LTS – Wi-Fi adapter not detected after reboot – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 16 October 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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Common Problems 116500

Ubuntu 24.04 LTS – cloud-init hangs on first boot – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 16 October 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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Common Problems 116459

Ubuntu 24.04 LTS Snap Apps Cannot Access Removable Media

🟡 Medium   ⏱ 5–30 min  Last verified: 16 October 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 22.04 — python-setuptools — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — python-setuptools — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 15 October 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7544-1 Related CVEs: CVE-2025-47273 CVE-2024-6345 CVE-2022-40897 Upstream summary: It was discovered that setuptools did not properly sanitize paths. An attacker could possibly use this issue to write files to arbitrary […]

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

Ubuntu 24.04 — retroarch — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 October 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8166-1 Related CVEs: CVE-2025-9809 Upstream summary: It was discovered that RetroArch did not correctly handle certain memory operations, which could lead to a buffer overflow. If a user or automated […]

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