Debian 11

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 8 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-3448 CVE-2013-0275 CVE-2013-1770 CVE-2013-6395 CVE-2015-6816 Upstream summary: Unspecified vulnerability in Ganglia Web before 3.5.1 allows remote attackers to execute arbitrary PHP code via unknown attack vectors. Table of […]

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

Debian 11 — tweepy — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-5825 Upstream summary: Tweepy does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, […]

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Common Problems 120705

Debian 11: OOM killer terminates Java service under memory pressure

🔴 Critical   ⏱ 5–30 min  Last verified: 7 March 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 — ejabberd — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ejabberd — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-0903 CVE-2009-0934 CVE-2010-0305 CVE-2011-1753 CVE-2011-4320 CVE-2013-6169 CVE-2014-8760 Upstream summary: Unspecified vulnerability in the mod_roster_odbc module in ejabberd before 1.1.3 has unknown impact and attack vectors. Table of contents […]

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

Debian 11 — realmd — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-2704 Upstream summary: realmd allows remote attackers to inject arbitrary configurations in to sssd.conf and smb.conf via a newline character in an LDAP response. Table of contents Symptom […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 7 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-4259 CVE-2017-11568 CVE-2017-11569 CVE-2017-11570 CVE-2017-11571 CVE-2017-11572 CVE-2017-11573 CVE-2017-11574  +12 more Upstream summary: Stack-based buffer overflow in FontForge 20100501 allows remote attackers to cause a denial of service (application […]

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How to Manage Users and Groups on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Manage Users and Groups on Debian 11

Introduction How to Manage Users and Groups on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye 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 from Debian 11. […]

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Debian 11 — e2fsprogs — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — e2fsprogs — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-5497 CVE-2015-0247 CVE-2015-1572 CVE-2019-5094 CVE-2019-5188 CVE-2022-1304 Upstream summary: Multiple integer overflows in libext2fs in e2fsprogs before 1.40.3 allow user-assisted remote attackers to execute arbitrary code via a crafted […]

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

How to Install Nginx on Debian 11 (DEBIAN-11-2)

Introduction Debian 11 Bullseye is built around the ethos of stability and free software. Setting up install nginx 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 step carefully and the resulting […]

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Debian 11 — alsaplayer — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — alsaplayer — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-1896 CVE-2006-4089 CVE-2007-5301 Upstream summary: Buffer overflow in Alsaplayer 0.99.71, when installed setuid root, allows local users to execute arbitrary code via a long (1) -f or (2) […]

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