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FreeBSD 13 — openh — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — openh — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 August 2025 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: cisco — OpenH264 Decoding Functions Heap Overflow Vulnerability Related CVEs: CVE-2004-0097 CVE-2025-27091 Upstream summary: Cisco reports: A vulnerability in the decoding functions of OpenH264 codec library could allow a remote, […]

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NetBSD 10.0 — lldpd — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — lldpd — multiple vulnerabilities (4 CVEs) — 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-2015-8011 CVE-2021-43612 CVE-2023-41910 CVE-2015-8012 Upstream summary: pkgsrc audit-packages flagged lldpd<0.8.0 for vulnerability class 'buffer-overflow'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2015-8011 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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Common Problems 124156

Oracle Linux 10 – kdump service fails because crashkernel memory reservation is insufficient – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 27 August 2025 Affected versions: Oracle Linux 10 📖 ~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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Debian 13 — man2html — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — man2html — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 August 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-2770 CVE-2021-40647 CVE-2021-40648 Upstream summary: Cross-site scripting (XSS) vulnerability in man2html.cgi.c in man2html 1.6, and possibly other version, allows remote attackers to inject arbitrary web script or HTML […]

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How to Set Up NFS File Sharing on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Set Up NFS File Sharing on RHEL 9

NFS (Network File System) is the standard protocol for sharing directories over a network between Linux and Unix systems. On RHEL 9, NFS is provided by the nfs-utils package and integrates with firewalld and SELinux out of the box. NFS allows multiple clients to mount and access a shared directory on a server as if […]

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Debian 13 — aiomysql — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — aiomysql — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 August 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-62611 Upstream summary: aiomysql is a library for accessing a MySQL database from the asyncio. Prior to version 0.3.0, the client-side settings are not checked before sending local files […]

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NetBSD 10.0 — poppler-0.4.2 — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — poppler-0.4.2 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged poppler-0.4.2{,nb1} for vulnerability class 'arbitrary-code-execution'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-3191 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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How to Set Up Two-Factor Authentication for SSH on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Set Up Two-Factor Authentication for SSH on Oracle Linux 10

Introduction How to Set Up Two-Factor Authentication for SSH on Oracle Linux 10 on Oracle Linux 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the […]

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

FreeBSD 12 — powerdns_recursor — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 August 2025 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: powerdns-recursor — cache pollution Related CVEs: CVE-2025-59023 CVE-2025-59024 Upstream summary: PowerDNS Team reports: It has been brought to our attention that the Recursor does not apply strict enough validation of […]

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NetBSD 10.0 — php-composer — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — php-composer — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2021-29472 CVE-2022-24828 CVE-2015-8371 CVE-2025-67746 Upstream summary: pkgsrc audit-packages flagged php{56,72,73,74,80}-composer<2.0.13 for vulnerability class 'remote-code-execution'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-29472 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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