Logging Monitoring

How to Install and Configure Postfix Mail Server on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Configure Postfix Mail Server on RHEL 8

Postfix is a high-performance, security-focused Mail Transfer Agent (MTA) that ships with RHEL 8 and is the default replacement for Sendmail. It handles the delivery of outbound email and, when configured correctly, accepts inbound mail for local users. Understanding Postfix is foundational for any RHEL administrator who needs to send system alerts, application notifications, or […]

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FreeBSD 12 — zh-wordpress-zh_CN — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — zh-wordpress-zh_CN — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 17 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: wordpress — XSS Related CVEs: CVE-2010-4257 CVE-2013-0235 CVE-2013-0236 CVE-2013-0237 CVE-2013-2199 CVE-2013-2200 CVE-2013-2201 CVE-2013-2202  +12 more Upstream summary: The WordPress team reports: A cross-site scripting (XSS) vulnerability affecting the Avatar block […]

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FreeBSD 12 — phpmailer — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — phpmailer — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: phpmailer — Multiple vulnerability Related CVEs: CVE-2016-10033 CVE-2016-10045 CVE-2017-11503 CVE-2017-5223 CVE-2018-19296 Upstream summary: The PHPMailer Team reports: CVE-2018-19296:Fix potential object injection vulnerability. Table of contents Symptom & Impact Environment & […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.4.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libseccomp 2.4.0-r0 Related CVEs: CVE-2019-9893 Upstream summary: Alpine main repository for vedge ships libseccomp 2.4.0-r0 which addresses CVE-2019-9893. Table of contents Symptom & Impact Environment […]

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FreeBSD 12 — openarena — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — openarena — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: id Tech 3 — remote code execution vulnerability Related CVEs: CVE-2017-6903 Upstream summary: The content auto-download of id Tech 3 can be used to deliver maliciously crafted content, that triggers […]

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Alpine Linux edge — libdwarf — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — libdwarf — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.9.2-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libdwarf 0.9.2-r0 Related CVEs: DW202402-001 DW202402-002 DW202402-003 DW202403-001 CVE-2019-14249 CVE-2015-8538 Upstream summary: Alpine main repository for vedge ships libdwarf 0.9.2-r0 which addresses DW202402-001. Table of […]

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How to Install MariaDB on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install MariaDB on RHEL 8

MariaDB is a community-developed, fully open-source relational database management system that was forked from MySQL and remains highly compatible with it. On RHEL 8, MariaDB is conveniently available through the AppStream module system, allowing you to install a specific stream version without adding third-party repositories. This tutorial covers installing MariaDB 10.5 via AppStream, starting and […]

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FreeBSD 12 — php55-exif — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — php55-exif — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 16 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php — multiple vulnerabilities Related CVEs: CVE-2015-8879 CVE-2016-3074 CVE-2016-5385 CVE-2016-5399 CVE-2016-6288 CVE-2016-6289 CVE-2016-6290 CVE-2016-6291  +5 more Upstream summary: PHP reports: Fixed bug #69975 (PHP segfaults when accessing nvarchar(max) defined columns) […]

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Arch Linux — zathura-pdf-mupdf — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — zathura-pdf-mupdf — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201805-12 Related CVEs: CVE-2018-6544 CVE-2018-6192 CVE-2018-6187 CVE-2018-5686 CVE-2018-1000051 CVE-2017-17858 CVE-2017-15587 CVE-2017-14687  +2 more Upstream summary: Type: multiple issues. Status: Fixed. Affected: 0.3.3-2. Fixed in: 0.3.3-3. Group: AVG-691. Table of contents […]

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