Security Hardening

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

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

🟠 High   ⏱ 15–60 min  Last verified: 28 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: nginx — heap buffer overflow in ngx_http_rewrite_module Related CVEs: CVE-2009-2629 CVE-2012-2089 CVE-2013-2028 CVE-2013-2070 CVE-2013-4547 CVE-2014-0133 CVE-2014-3556 CVE-2014-3616  +12 more Upstream summary: The nginx developers report: A heap memory buffer overflow […]

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Common Problems 116095

Ubuntu 26.04 LTS – Failed unattended-upgrades due to mirror timeout – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 27 July 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~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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How to Analyze Network Traffic with Wireshark CLI (tshark) on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Analyze Network Traffic with Wireshark CLI (tshark) on RHEL 10

Introduction This tutorial demonstrates how to Analyze Network Traffic with Wireshark CLI (tshark) on RHEL 10 on RHEL 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered RHEL 10 system with the […]

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NetBSD 10.0 — rawtherapee — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — rawtherapee — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2026-24808 Upstream summary: pkgsrc audit-packages flagged rawtherapee<5.12 for vulnerability class 'integer-overflow'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-24808 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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FreeBSD 15 — zabbix2-agent — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — zabbix2-agent — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: zabbix — shell command injection vulnerability Related CVEs: CVE-2013-6824 Upstream summary: Recurity Labs Team project reports: Zabbix agent is vulnerable to remote command execution from the Zabbix server in some […]

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FreeBSD 15 — php70-exif — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — php70-exif — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 27 July 2026 Affected versions: FreeBSD 15 📖 ~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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AlmaLinux 9 — mecab-ipadic — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — mecab-ipadic — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:5640 Related CVEs: CVE-2026-21936 CVE-2026-21937 CVE-2026-21941 CVE-2026-21948 CVE-2026-21964 CVE-2026-21968 CVE-2025-53040 CVE-2025-53042  +12 more Upstream summary: MySQL is a multi-user, multi-threaded SQL database server. It consists of the MySQL server daemon (mysqld) and […]

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FreeBSD 15 — vinagre — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — vinagre — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: vinagre — format string vulnerability Related CVEs: CVE-2008-5660 Upstream summary: CORE Security Technologies reports: A format string error has been found on the vinagre_utils_show_error() function that can be exploited via […]

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FreeBSD 15 — tin — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — tin — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: tin — buffer overflow vulnerabilities Upstream summary: Urs Janssen and Aleksey Salow report possible buffer overflows in tin versions 1.8.0 and 1.8.1. OpenPKG project elaborates there is an allocation off-by-one […]

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