Debian 11

Debian 11 — libgssglue — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libgssglue — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-2709 Upstream summary: libgssapi and libgssglue before 0.4 do not properly check privileges, which allows local users to load untrusted configuration files and execute arbitrary code via the […]

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Debian 11 — sgml2x — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — sgml2x — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-6397 Upstream summary: rlatex in AlcoveBook sgml2x 1.0.0 allows local users to overwrite arbitrary files via a symlink attack on temporary files. Table of contents Symptom & Impact […]

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How to Install MongoDB on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install MongoDB on Debian 11

Introduction This guide explains how to Install MongoDB on Debian 11 on Debian 11 Bullseye. Debian Bullseye 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 11 install with the standard repositories […]

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Common Problems 120692

Debian 11 – Certbot Renewal Fails in Automation – Reliable ACME Recovery

🟠 High   ⏱ 5–30 min  Last verified: 24 August 2022 Affected versions: Debian 11 📖 ~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 11 — jsonpickle — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — jsonpickle — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-22083 Upstream summary: jsonpickle through 1.4.1 allows remote code execution during deserialization of a malicious payload through the decode() function. Note: It has been argued that this is […]

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How to Set Up Nginx with PHP-FPM Connection Pooling on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up Nginx with PHP-FPM Connection Pooling on Debian 11

Introduction Debian 11 Bullseye is built around the ethos of stability and free software. Setting up set up nginx with php-fpm connection pooling on debian 11 on Bullseye leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bullseye freeze. Follow each […]

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Debian 11 — yadifa — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — yadifa — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-14339 Upstream summary: The DNS packet parser in YADIFA before 2.2.6 does not check for the presence of infinite pointer loops, and thus it is possible to force […]

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Debian 11 — schism — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — schism — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 24 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-14465 CVE-2019-14523 CVE-2019-14524 CVE-2021-32419 Upstream summary: fmt_mtm_load_song in fmt/mtm.c in Schism Tracker 20190722 has a heap-based buffer overflow. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Debian 11 — libcdio — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libcdio — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-1476 CVE-2007-6613 CVE-2017-18198 CVE-2017-18199 CVE-2017-18201 Upstream summary: Stack-based buffer overflow in the VideoCD (VCD) code in xine-lib 1-rc2 through 1-rc5, as derived from libcdio, allows attackers to execute […]

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Common Problems 120549

Debian 11 Memory Pressure Triggers OOM Kills

🔴 Critical   ⏱ 5–30 min  Last verified: 23 August 2022 Affected versions: Debian 11 📖 ~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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