ubuntu

Ubuntu 14.04 — twisted — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — twisted — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 August 2024 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6988-1 Related CVEs: CVE-2024-41671 CVE-2024-41810 CVE-2022-21716 CVE-2019-12387 CVE-2019-12855 CVE-2020-10108 CVE-2020-10109 CVE-2016-1000111 Upstream summary: Ben Kallus discovered that Twisted incorrectly handled response order when processing multiple HTTP requests. A remote attacker […]

Read more
How to Install and Configure Xdebug 3 for PHP 8.3 on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Install and Configure Xdebug 3 for PHP 8.3 on Ubuntu 24.04

Xdebug 3 is the essential debugging extension for PHP. It enables step-by-step debugging, code coverage analysis, and profiling. This guide installs Xdebug 3 for PHP 8.3 on Ubuntu 24.04 LTS and configures it for use with VS Code. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server or desktop PHP 8.3 installed […]

Read more
Ubuntu 24.04 — fdkaac — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — fdkaac — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 August 2024 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7660-1 Related CVEs: CVE-2023-34823 CVE-2022-37781 CVE-2022-36148 CVE-2023-34824 Upstream summary: It was discovered that fdkaac did not correctly handle certain input. If a user or automated system were tricked into opening […]

Read more
Ubuntu 20.04 — wget — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — wget — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 August 2024 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6852-1 Related CVEs: CVE-2024-38428 Upstream summary: It was discovered that Wget incorrectly handled semicolons in the userinfo subcomponent of a URI. A remote attacker could possibly trick a user into […]

Read more
Common Problems 116616

Ubuntu 24.04 LTS – SMB mount fails with authentication errors – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 10 August 2024 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 […]

Read more
Common Problems 116520

Ubuntu 24.04 LTS – UFW blocks expected service traffic – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 10 August 2024 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 […]

Read more
Common Problems 116519

Ubuntu 24.04 LTS initramfs BusyBox Drop Caused by UUID Mismatch

🟡 Medium   ⏱ 5–30 min  Last verified: 10 August 2024 📖 ~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 […]

Read more
How to Secure Nginx with Let's Encrypt SSL on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Install a LEMP Stack on Ubuntu 24.04

The LEMP stack — Linux, Nginx, MySQL, and PHP — is a popular combination for hosting dynamic web applications. This guide installs and integrates all four components on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo privileges UFW firewall configured Step 1 – Install […]

Read more
Ubuntu 22.04 — dotnet7 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — dotnet7 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 August 2024 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6773-1 Related CVEs: CVE-2024-30045 CVE-2024-30046 CVE-2024-21392 CVE-2024-21386 CVE-2024-21404 CVE-2024-0057 CVE-2024-21319 CVE-2023-36049  +12 more Upstream summary: It was discovered that .NET did not properly handle memory in it's Double Parse routine. […]

Read more
CHAT