2020 - Page 594 of 735

Gentoo Linux — net-libs/pcre2 — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-libs/pcre2 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202006-16 Related CVEs: CVE-2019-20454 Upstream summary: PCRE2 has a flaw when handling JIT-compiled regex using the X pattern. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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Debian 9 — mailman — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — mailman — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 11 March 2020 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-0618 CVE-2018-5950 CVE-2020-12137 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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An Introduction To Regular Expressions — step-by-step Linux tutorial on Progressive Robot

An Introduction To Regular Expressions

This tutorial will give an insight to regular expressions without going into particularities of any language. We will simply use egrep to explain the concepts. Regular expressions are templates to match patterns (or sometimes not to match patterns). They provide a way to describe and parse text.

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Common Problems 114921

RHEL 8 SELinux Denying httpd Access to Custom Content Path

🟡 Medium   ⏱ 5–30 min  Last verified: 10 March 2020 📖 ~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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FreeBSD 12 — pyblosxom — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — pyblosxom — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 March 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pyblosxom — atom flavor multiple XML injection vulnerabilities Upstream summary: Security Focus reports: PyBlosxom is prone to multiple XML-injection vulnerabilities because the application fails to properly sanitize user-supplied input before […]

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How to Configure Docker with TLS Authentication on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure Docker with TLS Authentication on Debian 10

Introduction Deploying configure docker with tls authentication on debian 10 on a Debian 10 Buster 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 Before […]

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FreeBSD 12 — rubygem-nokogiri — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — rubygem-nokogiri — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 March 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: nokogiri — Security vulnerability Related CVEs: CVE-2019-5477 CVE-2020-26247 Upstream summary: Nokogiri reports: In Nokogiri versions <= 1.11.0.rc3, XML Schemas parsed by Nokogiri::XML::Schema were trusted by default, allowing external resources to […]

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Common Problems 113418

Windows Server 2012 R2 — Pending Reboot State Persists and Prevents New Updates — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 10 March 2020 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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