Linux

How to Configure Nginx Server Blocks (Virtual Hosts) on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Secure Apache with Let’s Encrypt SSL on Ubuntu 26.04

Free SSL certificates from Let’s Encrypt, managed by Certbot’s Apache plugin, give your Apache-hosted domains HTTPS encryption with minimal configuration and fully automatic renewals. This guide covers the complete process on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS server with Apache installed A registered domain name pointing to […]

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Amazon Linux 2023 — runfinch-finch — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — runfinch-finch — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2026-1548 Related CVEs: CVE-2026-33186 CVE-2025-47912 CVE-2025-58183 CVE-2025-58185 CVE-2025-58186 CVE-2025-58187 CVE-2025-58188 CVE-2025-58189  +12 more Upstream summary: gRPC-Go is the Go language implementation of gRPC. Versions prior to 1.79.3 have an authorization […]

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Amazon Linux 2023 — python-jwcrypto — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — python-jwcrypto — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2026-1590 Related CVEs: CVE-2024-28102 CVE-2026-39373 Upstream summary: JWCrypto implements JWK, JWS, and JWE specifications using python-cryptography. Prior to 1.5.7, an unauthenticated attacker can exhaust server memory by sending crafted JWE […]

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Common Problems 116054

Ubuntu 26.04 LTS – system journal grows rapidly and fills disk – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 25 May 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 […]

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Debian 13 — node-flatted — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — node-flatted — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-32141 CVE-2026-33228 Upstream summary: flatted is a circular JSON parser. Prior to 3.4.0, flatted's parse() function uses a recursive revive() phase to resolve circular references in deserialized JSON. […]

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Debian 13 — vdr — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — vdr — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-0071 CVE-2008-4985 CVE-2010-3387 Upstream summary: vdr before 1.2.6 does not securely create files, which allows attackers to overwrite arbitrary files. Table of contents Symptom & Impact Environment & […]

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Debian 13 — swift — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — swift — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-4406 CVE-2013-2161 CVE-2013-4155 CVE-2014-0006 CVE-2014-3497 CVE-2014-7960 CVE-2015-1856 CVE-2015-5223  +4 more Upstream summary: OpenStack Object Storage (swift) before 1.7.0 uses the loads function in the pickle Python module unsafely […]

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Gentoo Linux — sys-fs/fuse — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — sys-fs/fuse — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202604-03 Related CVEs: CVE-2026-33150 CVE-2026-33179 Upstream summary: The following vulnerabilities have been discovered in FUSE: a NULL pointer dereference (when running with the NUMA architecture) and a use-after-free. The worst of which […]

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Debian 13 — qt6-declarative — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — qt6-declarative — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-40983 CVE-2022-43591 CVE-2025-12385 CVE-2025-14576 Upstream summary: An integer overflow vulnerability exists in the QML QtScript Reflect API of Qt Project Qt 6.3.2. A specially-crafted javascript code can trigger […]

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Debian 13 — rust-tokio — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — rust-tokio — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-45710 CVE-2023-22466 Upstream summary: An issue was discovered in the tokio crate before 1.8.4, and 1.9.x through 1.13.x before 1.13.1, for Rust. In certain circumstances involving a closed […]

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