🟡 Medium ⏱ 10–30 min Last verified: 13 July 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read • Source: Ubuntu Security Notice USN-8236-1 Related CVEs: CVE-2023-49933 CVE-2023-41914 CVE-2025-43904 CVE-2023-49937 CVE-2023-49938 Upstream summary: It was discovered that Slurm did not correctly handle certain file system operations. An attacker could possibly use this issue […]
🟠 High ⏱ 15–60 min Last verified: 13 July 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read • Source: Ubuntu Security Notice USN-8002-1 Related CVEs: CVE-2026-21945 CVE-2026-21933 CVE-2026-21932 CVE-2026-21925 CVE-2025-53057 CVE-2025-53066 CVE-2025-61748 CVE-2025-30754 +12 more Upstream summary: It was discovered that the RMI component of OpenJDK 21 would establish RMI TCP endpoint […]
🟢 Low ⏱ 5–15 min Last verified: 13 July 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read • Source: Ubuntu Security Notice USN-8229-1 Related CVEs: CVE-2026-5958 Upstream summary: Michał Majchrowicz and Marcin Wyczechowski discovered that sed incorrectly handled symbolic links when performing in-place edits. A local attacker could possibly use this issue […]
🟠 High ⏱ 15–60 min Last verified: 13 July 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-8022-1 Related CVEs: CVE-2026-25210 CVE-2026-24515 CVE-2025-59375 CVE-2024-50602 CVE-2024-45490 CVE-2024-45491 CVE-2024-45492 CVE-2022-43680 +12 more Upstream summary: It was discovered that Expat incorrectly handled memory when parsing certain XML files. An attacker […]
🟠 High ⏱ 5–30 min Last verified: 13 July 2026 Affected versions: Ubuntu 26.04 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 […]
🟠 High ⏱ 15–60 min Last verified: 13 July 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read • Source: Ubuntu Security Notice USN-8279-1 Related CVEs: CVE-2024-35862 CVE-2024-50060 CVE-2026-23274 CVE-2026-23351 CVE-2026-31419 CVE-2026-31431 CVE-2026-31504 CVE-2026-31533 +12 more Upstream summary: It was discovered that the Linux kernel algif_aead module did not properly handle in-place cryptographic […]
🟡 Medium ⏱ 10–30 min Last verified: 12 July 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7629-2 Related CVEs: CVE-2025-4565 CVE-2024-7254 CVE-2021-22569 CVE-2021-22570 CVE-2022-1941 Upstream summary: USN-7435-1 and USN-7629-1 fixed vulnerabilities in Protocol Buffers for several releases of Ubuntu. This update provides the corresponding fixes for […]
🟡 Medium ⏱ 10–30 min Last verified: 12 July 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-8169-1 Related CVEs: CVE-2025-49844 CVE-2022-24834 CVE-2024-31449 Upstream summary: It was discovered that Redis incorrectly handled certain specially crafted Lua scripts. A remote attacker could possibly use this issue to cause […]
A LEMP stack — Linux, Nginx, MySQL, and PHP — is a popular open-source web platform for hosting dynamic websites and web applications. This guide installs and configures all four components on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS server A user with sudo privileges UFW firewall enabled […]
Netplan is the default network configuration tool on Ubuntu since 18.04. It uses YAML configuration files to describe network interfaces and passes them to either NetworkManager (desktops) or systemd-networkd (servers). This guide configures a static IP address using Netplan on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS A […]
