Debian 13 Trixie

Debian 13 — gargoyle-free — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — gargoyle-free — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-3359 Upstream summary: If LD_LIBRARY_PATH is undefined in gargoyle-free before 2009-08-25, the variable will point to the current directory. This can allow a local user to trick another […]

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

Debian 13 — gssproxy — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 October 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-12658 Upstream summary: gssproxy (aka gss-proxy) before 0.8.3 does not unlock cond_mutex before pthread exit in gp_worker_main() in gp_workers.c. NOTE: An upstream comment states "We are already on a […]

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How to Install OpenTelemetry Collector on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install OpenTelemetry Collector on Debian 13

Introduction Deploying install opentelemetry collector 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, ensure you have […]

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How to Enable USBGuard on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Enable USBGuard on Debian 13

Introduction This guide explains how to Enable USBGuard on Debian 13 on Debian 13 Trixie. Debian Trixie uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 13 install with the standard repositories […]

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Common Problems 119464

Debian 13 – unattended-upgrades lock prevents manual apt operations

🟡 Medium   ⏱ 5–30 min  Last verified: 7 October 2025 Affected versions: Debian 13 Debian 13 (Trixie) Debian 13.x 📖 ~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 […]

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

Debian 13 — gdnsd — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 October 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-13952 Upstream summary: The set_ipv6() function in zscan_rfc1035.rl in gdnsd before 2.4.3 and 3.x before 3.2.1 has a stack-based buffer overflow via a long and malformed IPv6 address in […]

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Common Problems 119500

Debian 13 nftables or UFW Rules Blocking Required Traffic

🟡 Medium   ⏱ 5–30 min  Last verified: 6 October 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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Debian 13 — pymdown-extensions — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — pymdown-extensions — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 October 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-68142 Upstream summary: PyMdown Extensions is a set of extensions for the `Python-Markdown` markdown project. Versions prior to 10.16.1 have a ReDOS bug found within the figure caption extension […]

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Debian 13 — node-negotiator — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — node-negotiator — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 October 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-10539 Upstream summary: negotiator is an HTTP content negotiator for Node.js and is used by many modules and frameworks including Express and Koa. The header for "Accept-Language", when parsed […]

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