Debian 11

How to Configure OpenDKIM with Postfix on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure OpenDKIM with Postfix on Debian 11

Introduction Deploying configure opendkim with postfix on debian 11 on a Debian 11 Bullseye 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 You will […]

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Debian 11 — libgig — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libgig — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 6 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-12950 CVE-2017-12951 CVE-2017-12952 CVE-2017-12953 CVE-2017-12954 CVE-2018-14449 CVE-2018-14450 CVE-2018-14451  +12 more Upstream summary: The gig::Region::Region function in gig.cpp in libgig 4.0.0 allows remote attackers to cause a denial of […]

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Debian 11 — libarchive — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libarchive — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 6 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-5680 CVE-2007-3641 CVE-2007-3644 CVE-2007-3645 CVE-2010-4666 CVE-2011-1777 CVE-2011-1778 CVE-2011-1779  +12 more Upstream summary: The libarchive library in FreeBSD 6-STABLE after 2006-09-05 and before 2006-11-08 allows context-dependent attackers to cause […]

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Common Problems 120558

Debian 11 – cron jobs stop running due to anacron or timer overlap

🟡 Medium   ⏱ 5–30 min  Last verified: 5 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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How to Set Up borgbackup on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up borgbackup on Debian 11

Introduction Deploying set up borgbackup on debian 11 on a Debian 11 Bullseye 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 You will need […]

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Debian 11 — ppp — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ppp — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 5 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-1002 CVE-2006-2194 CVE-2008-5366 CVE-2008-5367 CVE-2014-3158 CVE-2015-3310 CVE-2018-11574 CVE-2020-8597  +2 more Upstream summary: Integer underflow in pppd in cbcp.c for ppp 2.4.1 allows remote attackers to cause a denial […]

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Common Problems 120593

Debian 11: PostgreSQL fails because WAL partition is full

🔴 Critical   ⏱ 5–30 min  Last verified: 4 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 — libjdom1-java — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libjdom1-java — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-33813 Upstream summary: An XXE issue in SAXBuilder in JDOM through 2.0.6 allows attackers to cause a denial of service via a crafted HTTP request. Table of contents […]

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

Debian 11 — dircproxy — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-5226 Upstream summary: irc_server.c in dircproxy 1.2.0 and earlier allows remote attackers to cause a denial of service (segmentation fault) via an ACTION command without a parameter, which […]

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Debian 11 — inspircd — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — inspircd — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 4 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-1925 CVE-2012-1836 CVE-2012-6696 CVE-2012-6697 CVE-2015-6674 CVE-2015-8702 CVE-2016-7142 CVE-2019-20917  +2 more Upstream summary: Buffer overflow in InspIRCd before 1.1.18, when using the namesx and uhnames modules, allows remote attackers […]

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