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NetBSD 9.4 — freeciv-server-2.0.[0-8]* — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — freeciv-server — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2006-3913 Upstream summary: pkgsrc audit-packages flagged freeciv-server for vulnerability class 'denial-of-service'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3913 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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How to Harden SSH on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Harden SSH on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying harden ssh on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Harden SSH on Oracle Linux 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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NetBSD 9.4 — sun-8 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — sun-8 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2014-0429 CVE-2014-0448 CVE-2014-0449 CVE-2014-0451 CVE-2014-0452 CVE-2014-0453 CVE-2014-0454 CVE-2014-0455  +12 more Upstream summary: pkgsrc audit-packages flagged sun-{jdk,jre}8>=8.0.0<8.0.1 for vulnerability class 'unspecified'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0429 Table of contents Symptom & Impact Environment […]

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Debian 12 — jboss-xnio — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — jboss-xnio — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 28 September 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-14340 CVE-2022-0084 CVE-2023-5685 Upstream summary: A vulnerability was discovered in XNIO where file descriptor leak caused by growing amounts of NIO Selector file handles between garbage collection cycles. […]

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AlmaLinux 8 — yajl — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — yajl — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:7057 Related CVEs: CVE-2023-33460 CVE-2022-24795 Upstream summary: Yet Another JSON Library (YAJL) is a small event-driven (SAX-style) JSON parser written in ANSI C, and a small validating JSON generator. Security Fix(es): * […]

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Alpine Linux edge — mpfr4 — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — mpfr4 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 4.2.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — mpfr4 4.2.1-r0 Related CVEs: CVE-2023-25139 Upstream summary: Alpine main repository for vedge ships mpfr4 4.2.1-r0 which addresses CVE-2023-25139. Table of contents Symptom & Impact Environment […]

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NetBSD 9.4 — bacula — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — bacula — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2012-4430 CVE-2007-5626 Upstream summary: pkgsrc audit-packages flagged bacula<1.36.3nb1 for vulnerability class 'insecure-temp-files'. Reference: http://secunia.com/advisories/16866/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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Oracle Linux 8 — python-cryptography — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python-cryptography — vulnerability — patch and remediation guide (ELSA-2025-14553)

🟡 Medium   ⏱ 10–30 min  Last verified: 28 September 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-14553 Related CVEs: CVE-2023-49083 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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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2024-12159)

🟠 High   ⏱ 15–60 min  Last verified: 28 September 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-12159 Related CVEs: CVE-2020-26555 CVE-2023-6111 CVE-2023-35827 CVE-2023-25775 CVE-2023-46813 CVE-2023-6622 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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NetBSD 9.4 — acid — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — acid — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged acid-[0-9]* for vulnerability class 'cross-site-scripting'. Reference: http://secunia.com/advisories/17552/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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