Security Hardening

How to Install Perl and CPAN Modules on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Install Perl and CPAN Modules on FreeBSD 15

Introduction This guide explains how to Install Perl and CPAN Modules on FreeBSD 15 on FreeBSD 15. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for […]

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SLES 16 — pkgconf — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — pkgconf — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 9 July 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2018-1000221 CVE-2023-24056 Upstream summary: pkgconf version 1.5.0 to 1.5.2 contains a Buffer Overflow vulnerability in dequote() that can result in dequote() function returns 1-byte allocation […]

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

Oracle Linux 8 — OpenEXR — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 July 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-8863 Related CVEs: CVE-2026-27622 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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Red Hat Enterprise Linux 10 — thunderbird — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 10

Red Hat Enterprise Linux 10 — thunderbird — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 10 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:19463 Related CVEs: CVE-2026-6746 CVE-2026-6747 CVE-2026-6748 CVE-2026-6749 CVE-2026-6750 CVE-2026-6751 CVE-2026-6752 CVE-2026-6753  +12 more Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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FreeBSD 15 — libXrandr — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — libXrandr — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: X.org libraries — multiple vulnerabilities Related CVEs: CVE-2013-1981 CVE-2013-1982 CVE-2013-1983 CVE-2013-1984 CVE-2013-1985 CVE-2013-1986 CVE-2013-1987 CVE-2013-1988  +12 more Upstream summary: Matthieu Herrb reports: Tobias Stoeckmann from the OpenBSD project has discovered […]

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FreeBSD 15 — jasper — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — jasper — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: jasper — multiple vulnerabilities Related CVEs: CVE-2008-3520 CVE-2008-3522 CVE-2011-4516 CVE-2011-4517 CVE-2014-8137 CVE-2014-8138 CVE-2014-8157 CVE-2014-8158  +12 more Upstream summary: JasPer Releases: – Fix memory-related bugs in the JPEG-2000 codec resulting from […]

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FreeBSD 15 — phpmyadmin — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — phpmyadmin — multiple vulnerabilities (20 CVEs) — patch and remediation guide (PATCH-REMEDIATION-2)

🟠 High   ⏱ 15–60 min  Last verified: 9 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: phpmyadmin — multiple vulnerabilities Related CVEs: CVE-2005-0543 CVE-2005-0544 CVE-2005-0567 CVE-2005-0653 CVE-2005-0992 CVE-2007-6100 CVE-2016-1927 CVE-2016-2038  +12 more Upstream summary: the phpmyadmin team reports: This security fix is part of an ongoing […]

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Ubuntu 24.04 — libarchive — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — libarchive — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 July 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8292-1 Related CVEs: CVE-2026-4424 CVE-2026-4426 CVE-2026-5121 CVE-2019-19221 CVE-2025-25724 CVE-2025-5916 CVE-2025-5917 CVE-2026-4111  +10 more Upstream summary: It was discovered that libarchive incorrectly handled certain RAR archives. An attacker could possibly use […]

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openSUSE Leap 15.6 — libldap — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — libldap — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:0256-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-22185 Upstream summary: OpenLDAP Lightning Memory-Mapped Database (LMDB) versions up to and including 0.9.14, prior to commit 8e1fda8, contain a heap buffer underflow in […]

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How to Set Up MariaDB Replication on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Set Up MariaDB Replication on FreeBSD 15

Introduction Deploying set up mariadb replication on a FreeBSD 15 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard base + ports […]

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