Systemd Services

FreeBSD 12 — opensmtpd — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — opensmtpd — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: OpenSMTPd — LPE and RCE in OpenSMTPD's default install Related CVEs: CVE-2015-7687 CVE-2020-7247 CVE-2020-8793 CVE-2020-8794 Upstream summary: OpenSMTPD developers reports: An out of bounds read in smtpd allows an attacker […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202003-07 Related CVEs: CVE-2019-18609 Upstream summary: It was discovered that RabbitMQ C client incorrectly handled certain inputs. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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Debian 10 — ruby-redcarpet — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — ruby-redcarpet — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 April 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-26298 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Debian 10 — pdns-recursor — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — pdns-recursor — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 April 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-10995 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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SLES 12 — evince — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — evince — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 April 2020 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2019:14141-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-1010006 CVE-2017-1000159 CVE-2010-2640 CVE-2010-2641 CVE-2010-2642 CVE-2010-2643 CVE-2017-1000083 CVE-2019-11459 Upstream summary: Evince 3.26.0 is affected by buffer overflow. The impact is: DOS / Possible code execution. […]

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Oracle Linux 8 — git — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — git — vulnerability — patch and remediation guide (ELSA-2019-4356)

🟠 High   ⏱ 15–60 min  Last verified: 8 April 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-4356 Related CVEs: CVE-2019-1352 CVE-2019-1387 CVE-2019-1349 CVE-2019-1348 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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How to Set Up LDAP Client on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Set Up LDAP Client on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to set up ldap client on ibm aix 7.1 on […]

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Alpine Linux edge — junit — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — junit — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 4.13.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — junit 4.13.1-r0 Related CVEs: CVE-2020-15250 Upstream summary: Alpine community repository for vedge ships junit 4.13.1-r0 which addresses CVE-2020-15250. Table of contents Symptom & Impact Environment […]

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How to Enable OCSP Stapling on Nginx on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Enable OCSP Stapling on Nginx on Debian 9

Introduction This guide explains how to Enable OCSP Stapling on Nginx on Debian 9 on Debian 9 Stretch. Debian Stretch 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 9 install with […]

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