Debian

Common Problems 121683

Debian 9: Nginx serves incomplete TLS certificate chain

🟠 High   ⏱ 5–30 min  Last verified: 28 November 2022 Affected versions: Debian 9 📖 ~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 — postfix-gld — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — postfix-gld — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-1099 CVE-2005-1100 Upstream summary: Multiple buffer overflows in the HandleChild function in server.c in Greylisting daemon (GLD) 1.3 and 1.4, when GLD is listening on a network interface, […]

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Debian 11 — wv — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — wv — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0645 CVE-2006-4513 Upstream summary: Buffer overflow in the wvHandleDateTimePicture function in wv library (wvWare) 0.7.4 through 0.7.6 and 1.0.0 allows remote attackers to execute arbitrary code via a […]

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Debian 11 — rust-socket2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rust-socket2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-35920 Upstream summary: An issue was discovered in the socket2 crate before 0.3.16 for Rust. It has false expectations about the std::net::SocketAddr memory representation. Table of contents Symptom […]

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Debian 11 — libemail-address-perl — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libemail-address-perl — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 28 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-0477 CVE-2014-4720 CVE-2015-7686 CVE-2018-12558 Upstream summary: The parse function in Email::Address module before 1.905 for Perl uses an inefficient regular expression, which allows remote attackers to cause a […]

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

Debian 11 — pen — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-2387 Upstream summary: Pen 0.18.0 has Insecure Temporary File Creation vulnerabilities Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution […]

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Debian 11 — libproc-processtable-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libproc-processtable-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-4363 Upstream summary: ProcessTable.pm in the Proc::ProcessTable module 0.45 for Perl, when TTY information caching is enabled, allows local users to overwrite arbitrary files via a symlink attack […]

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

Debian 11 — httpx — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-41945 Upstream summary: Encode OSS httpx < 0.23.0 is affected by improper input validation in `httpx.URL`, `httpx.Client` and some functions using `httpx.URL.copy_with`. Table of contents Symptom & Impact […]

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How To Install Ruby on Rails with rbenv on Debian 7 (Wheezy) — step-by-step Linux tutorial on Progressive Robot

How To Install Ruby on Rails with rbenv on Debian 7 (Wheezy)

Ruby on Rails is an open source web framework based on Ruby. It has been a popular choice among startups since it’s easier to build and ship the application. To start using Ruby on Rails, you need to have Ruby installed. However, due to the way Debian packaging system works, you’ll mostly end up with an old version of Ruby. So, this guide will show you a safe way for you to use the latest version of Ruby and Ruby on Rails on Debian 7.

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Debian 11 — php-font-lib — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — php-font-lib — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-2570 Upstream summary: Cross-site scripting (XSS) vulnerability in www/make_subset.php in PHP Font Lib before 0.3.1 allows remote attackers to inject arbitrary web script or HTML via the name […]

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