Debian

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

Debian 13 — node-nunjucks — 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-2023-2142 Upstream summary: In Nunjucks versions prior to version 3.2.4, it was possible to bypass the restrictions which are provided by the autoescape functionality. If there are two user-controlled […]

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Debian 13 — xfce4-settings — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — xfce4-settings — 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-2022-45062 Upstream summary: In Xfce xfce4-settings before 4.16.4 and 4.17.x before 4.17.1, there is an argument injection vulnerability in xfce4-mime-helper. Table of contents Symptom & Impact Environment & Reproduction […]

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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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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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