Linux

Debian 13 — musescore3 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — musescore3 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 September 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-26923 CVE-2023-44428 CVE-2024-44866 Upstream summary: Musescore 3.0 to 4.0.1 has a stack buffer overflow vulnerability that occurs when reading misconfigured midi files. If attacker can additional information, attacker […]

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Debian 13 — highlight.js — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — highlight.js — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 September 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-26237 Upstream summary: Highlight.js is a syntax highlighter written in JavaScript. Highlight.js versions before 9.18.2 and 10.1.2 are vulnerable to Prototype Pollution. A malicious HTML code block can be […]

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Ubuntu 24.04 — libvirt — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — libvirt — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 September 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6763-1 Related CVEs: CVE-2024-4418 CVE-2024-1441 CVE-2024-2494 Upstream summary: Martin Širokov discovered that libvirt incorrectly handled certain memory operations. A local attacker could possibly use this issue to access virtproxyd without […]

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Oracle Linux 9 — ruby:3.3 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — ruby:3.3 — vulnerability — patch and remediation guide (ELSA-2025-4493)

🟡 Medium   ⏱ 10–30 min  Last verified: 19 September 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-4493 Related CVEs: CVE-2025-27221 CVE-2025-27219 CVE-2025-25186 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Alpine Linux 3.20 — neovim — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — neovim — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 0.3.6-r0 📖 ~4 min read  •  Source: Alpine secdb entry — neovim 0.3.6-r0 Related CVEs: CVE-2019-12735 CVE-2017-5953 CVE-2017-6349 CVE-2017-6350 CVE-2016-1248 Upstream summary: Alpine community repository for vv3.20 ships neovim 0.3.6-r0 which addresses CVE-2019-12735. Table of contents […]

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Common Problems 119582

Debian 13 – Apache2 Fails to Start Because Port 80 Is Already in Use – Resolution

🟠 High   ⏱ 5–30 min  Last verified: 19 September 2025 Affected versions: Debian 13 (Trixie) 📖 ~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 Configure Rate Limiting in Nginx on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Configure Rate Limiting in Nginx on Debian 13

Introduction How to Configure Rate Limiting in Nginx on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian […]

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How to Configure Static File Serving with Nginx on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Configure Static File Serving with Nginx on Debian 13

Introduction Deploying configure static file serving with nginx on a Debian 13 Trixie machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you begin, […]

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

Debian 13 — spim — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 September 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-29364 CVE-2025-29365 Upstream summary: spimsimulator spim v9.1.24 and before is vulnerable to Buffer Overflow in the READ_SYSCALL and WRITE_SYSCALL system calls. The application verifies the legitimacy of the […]

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Debian 11 — libcrypt-cbc-perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libcrypt-cbc-perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 September 2025 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-0898 CVE-2025-2814 Upstream summary: Crypt::CBC Perl module 2.16 and earlier, when running in RandomIV mode, uses an initialization vector (IV) of 8 bytes, which results in weaker encryption […]

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