Security Hardening

NetBSD 9.4 — libcares — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — libcares — multiple vulnerabilities (11 CVEs) — patch and remediation guide

  • September 10, 2025
  • 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 Related CVEs: CVE-2025-31498 CVE-2020-14354 CVE-2021-3672 CVE-2023-31124 CVE-2023-31130 CVE-2023-31147 CVE-2017-1000381 CVE-2023-32067  +3 more Upstream summary: pkgsrc audit-packages flagged libcares<1.12.0 for vulnerability class 'arbitrary-code-execution'. Reference: https://c-ares.haxx.se/adv_20160929.html Table of contents Symptom & Impact Environment […]

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How to Install Kubernetes with kubeadm on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Kubernetes with kubeadm on Debian 13

  • September 10, 2025
  • Linux
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Introduction How to Install Kubernetes with kubeadm on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 12. […]

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How to Automate Let's Encrypt Renewals on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Automate Let’s Encrypt Renewals on Oracle Linux 10

Introduction Setting up automate let’s encrypt renewals on oracle linux 10 on a Oracle Linux 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Automate Let’s Encrypt Renewals on Oracle Linux 10, with all the commands you need, the SELinux and firewalld considerations to […]

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

NetBSD 10.0 — gsl — vulnerability — patch and remediation guide

  • September 9, 2025
  • BSD
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🟡 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-2024-50610 Upstream summary: pkgsrc audit-packages flagged gsl-[0-9]* for vulnerability class 'integer-overflow'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2024-50610 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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FreeBSD 12 — py310-Jinja — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py310-Jinja — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • September 9, 2025
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 9 September 2025 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Jinja2 — Sandbox breakout through attr filter selecting format method Related CVEs: CVE-2024-34064 CVE-2025-27516 Upstream summary: [email protected] reports: Jinja is an extensible templating engine. Prior to 3.1.6, an oversight in […]

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FreeBSD 12 — varnish — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — varnish — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • September 9, 2025
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 9 September 2025 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Vinyl/Varnish — HTTP/2 parsing deficiency Related CVEs: CVE-2013-4484 CVE-2017-8807 CVE-2022-23959 CVE-2023-43622 CVE-2023-44487 CVE-2025-30346 CVE-2025-8671 Upstream summary: Vinyl Development Team reports: A deficiency in HTTP/2 request parsing can be exploited to […]

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NetBSD 10.0 — eterm — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — eterm — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • September 9, 2025
  • BSD
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🟠 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-2008-1692 CVE-2021-33477 Upstream summary: pkgsrc audit-packages flagged eterm<0.9.2 for vulnerability class 'remote-code-execution'. Reference: http://marc.theaimsgroup.com/?l=bugtraq&m=104612710031920&w=2 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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Debian 13 — gupnp — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

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

  • September 9, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 9 September 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-2174 CVE-2020-12695 CVE-2021-33516 Upstream summary: GUPnP 0.12.7 allows remote attackers to cause a denial of service (crash) via an empty (1) subscription or (2) control message. Table of […]

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Debian 13 — libjpeg-turbo — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libjpeg-turbo — multiple vulnerabilities (17 CVEs) — patch and remediation guide

  • September 9, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 9 September 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-6629 CVE-2013-6630 CVE-2014-9092 CVE-2016-3616 CVE-2017-15232 CVE-2018-11212 CVE-2018-11213 CVE-2018-11214  +9 more Upstream summary: The get_sos function in jdmarker.c in (1) libjpeg 6b and (2) libjpeg-turbo through 1.3.0, as used […]

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Debian 13 — exactimage — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — exactimage — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • September 9, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 9 September 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-1438 CVE-2013-1441 CVE-2015-3885 CVE-2015-8366 Upstream summary: Unspecified vulnerability in dcraw 0.8.x through 0.8.9, as used in libraw, ufraw, shotwell, and other products, allows context-dependent attackers to cause a […]

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