Package Management

NetBSD 9.4 — compat14-crypto — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — compat14-crypto — vulnerability — patch and remediation guide

  • October 15, 2023
  • BSD
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🟠 High   ⏱ 15–60 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 compat14-crypto<1.4.3.2 for vulnerability class 'remote-root-shell'. Reference: http://www.kb.cert.org/vuls/id/738331 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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How to Configure Rate Limiting in Nginx on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure Rate Limiting in Nginx on Debian 12

  • October 15, 2023
  • Linux
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Introduction This guide explains how to Configure Rate Limiting in Nginx on Debian 12 on Debian 12 Bookworm. Debian Bookworm uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 12 install with […]

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Oracle Linux 9 — krb5 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — krb5 — security and stability fixes — required update (ELSA-2023-6699)

  • October 14, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 14 October 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-6699 Related CVEs: CVE-2023-39975 CVE-2023-36054 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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AlmaLinux 8 — dbus — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — dbus — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • October 14, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:4498 Related CVEs: CVE-2023-34969 CVE-2022-42010 CVE-2022-42011 CVE-2022-42012 Upstream summary: D-Bus is a system for sending messages between applications. It is used both for the system-wide message bus service, and as a per-user-login-session […]

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How to Secure PostgreSQL on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Secure PostgreSQL on CentOS Stream 9

  • October 14, 2023
  • CentOS
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Introduction How to Secure PostgreSQL on CentOS Stream 9 on CentOS Stream 9 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 resulting configuration is reproducible […]

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Alpine Linux edge — libwebp — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — libwebp — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • October 14, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.3.1-r1 📖 ~4 min read  •  Source: Alpine secdb entry — libwebp 1.3.1-r1 Related CVEs: CVE-2023-4863 CVE-2023-1999 Upstream summary: Alpine main repository for vedge ships libwebp 1.3.1-r1 which addresses CVE-2023-4863. Table of contents Symptom & Impact […]

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Debian 12 — webfs — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — webfs — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • October 14, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 14 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0445 CVE-2003-0832 CVE-2003-0833 CVE-2013-0347 Upstream summary: Buffer overflow in webfs before 1.17.1 allows remote attackers to execute arbitrary code via an HTTP request with a long Request-URI. Table […]

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Debian 12 — user-mode-linux — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — user-mode-linux — vulnerability — patch and remediation guide

  • October 14, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 14 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-2016 Upstream summary: User-mode Linux (UML) 2.4.17-8 does not restrict access to kernel address space, which allows local users to execute arbitrary code. Table of contents Symptom & […]

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NetBSD 9.4 — picoc — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — picoc — multiple vulnerabilities (12 CVEs) — patch and remediation guide

  • October 14, 2023
  • BSD
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🟡 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-2019-16277 CVE-2022-34556 CVE-2022-44321 CVE-2022-44320 CVE-2022-44319 CVE-2022-44318 CVE-2022-44317 CVE-2022-44315  +4 more Upstream summary: pkgsrc audit-packages flagged picoc-[0-9]* for vulnerability class 'heap-overflow'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2019-16277 Table of contents Symptom & Impact Environment […]

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