ubuntu

Ubuntu 16.04 — krb5 — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — krb5 — multiple vulnerabilities (8 CVEs) — patch and remediation guide

  • November 11, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 11 November 2025 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7542-1 Related CVEs: CVE-2025-3576 CVE-2024-3596 CVE-2024-37370 CVE-2024-37371 CVE-2023-36054 CVE-2018-20217 CVE-2022-42898 CVE-2020-28196 Upstream summary: It was discovered that Kerberos allowed the usage of weak cryptographic standards. An attacker could possibly use […]

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Ubuntu 22.04 — libsodium — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — libsodium — vulnerability — patch and remediation guide

  • November 11, 2025
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 11 November 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7949-1 Related CVEs: CVE-2025-69277 Upstream summary: It was discovered that Sodium incorrectly handled the elliptic curve point validity check in certain atypical use cases. This could result in invalid points […]

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Ubuntu 24.04 — gobgp — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — gobgp — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • November 11, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 11 November 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7661-1 Related CVEs: CVE-2025-43970 CVE-2023-46565 CVE-2025-43973 CVE-2025-43971 CVE-2025-43972 Upstream summary: It was discovered that GoBGP did not properly manage memory under certain circumstances, which could lead to a buffer overflow. […]

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Ubuntu 24.04 — jinja2 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — jinja2 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • November 9, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 9 November 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7343-1 Related CVEs: CVE-2024-56201 CVE-2024-56326 CVE-2025-27516 CVE-2024-34064 Upstream summary: Rafal Krupinski discovered that Jinja2 did not properly restrict the execution of code in situations where templates are used maliciously. An […]

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Ubuntu 18.04 — php7.2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — php7.2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • November 8, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 8 November 2025 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7953-1 Related CVEs: CVE-2025-14178 CVE-2025-14180 CVE-2025-14177 CVE-2025-1735 https://launchpad.net/bugs/2121643 CVE-2025-1220 CVE-2025-6491 CVE-2025-1734  +12 more Upstream summary: It was discovered that PHP incorrectly handled memory while reading images in multi-chunk mode. An […]

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Ubuntu 22.04 — python-ldap — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

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

  • November 7, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 7 November 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7828-1 Related CVEs: CVE-2025-61912 CVE-2025-61911 CVE-2021-46823 Upstream summary: It was discovered that Python LDAP incorrectly handled special characters in the special character filtering function. A remote attacker could possibly use […]

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Common Problems 116546

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

  • November 6, 2025
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 6 November 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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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 WordPress with Nginx and PHP 8.3 on Ubuntu 24.04

  • November 6, 2025
  • Linux
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WordPress is the world’s most popular CMS, powering over 40% of all websites. This guide deploys a fresh WordPress installation on Ubuntu 24.04 LTS using Nginx, PHP 8.3-FPM, and MySQL 8.0. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Nginx, PHP 8.3-FPM, MySQL 8.0 installed A domain name pointed to your […]

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

Ubuntu 20.04 — aide — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • November 5, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 5 November 2025 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7697-1 Related CVEs: CVE-2025-54409 CVE-2025-54389 CVE-2021-45417 Upstream summary: Rajesh Pangare discovered that AIDE incorrectly handled filenames. A local attacker could possibly use this issue to bypass the detection of malicious […]

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Ubuntu 16.04 — python-setuptools — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — python-setuptools — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • November 4, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 4 November 2025 Affected versions: Ubuntu 16.04 (xenial) 📖 ~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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