Debian 13 Trixie

Debian 13 — fish — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — fish — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 11 November 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-2905 CVE-2014-2906 CVE-2014-2914 CVE-2014-3219 CVE-2014-3856 CVE-2022-20001 CVE-2023-49284 Upstream summary: fish (aka fish-shell) 1.16.0 before 2.1.1 does not properly check the credentials, which allows local users to gain privileges […]

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Debian 13 — python-websockets — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — python-websockets — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 November 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-33880 Upstream summary: The aaugustin websockets library before 9.1 for Python has an Observable Timing Discrepancy on servers when HTTP Basic Authentication is enabled with basic_auth_protocol_factory(credentials=…). An attacker may […]

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Debian 13 — libfishsound — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libfishsound — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 November 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-1686 Upstream summary: Array index vulnerability in Speex 1.1.12 and earlier, as used in libfishsound 0.9.0 and earlier, including Illiminable DirectShow Filters and Annodex Plugins for Firefox, xine-lib […]

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Debian 13 — gitaly — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — gitaly — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 November 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-13353 Upstream summary: When importing repos via URL, one time use git credentials were persisted beyond the expected time window in Gitaly 1.79.0 or above. Table of contents Symptom […]

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Common Problems 119496

Debian 13 SSH Access Denied Due to Permission Hardening Mistakes

🟡 Medium   ⏱ 5–30 min  Last verified: 11 November 2025 📖 ~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 […]

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How to Configure Nginx as a TCP/UDP Load Balancer on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Configure Nginx as a TCP/UDP Load Balancer on Debian 13

Introduction How to Configure Nginx as a TCP/UDP Load Balancer 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 […]

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How to Build Docker Images with Buildah on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Build Docker Images with Buildah on Debian 13

Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up build docker images with buildah on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the resulting […]

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Common Problems 119465

Debian 13 DKMS Module Build Failure After Kernel Update

🔴 Critical   ⏱ 5–30 min  Last verified: 11 November 2025 Affected versions: Debian 13 📖 ~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 Apache2 as a Reverse Proxy on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Configure Apache2 as a Reverse Proxy on Debian 13

Introduction Deploying configure apache2 as a reverse proxy 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 — pam-python — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — pam-python — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 November 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-16729 Upstream summary: pam-python before 1.0.7-1 has an issue in regard to the default environment variable handling of Python, which could allow for local root escalation in certain PAM […]

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