Operations

NetBSD 9.4 — ruby-tk — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ruby-tk — vulnerability — patch and remediation guide

  • July 13, 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 Related CVEs: CVE-2016-2337 Upstream summary: pkgsrc audit-packages flagged ruby{18,21,22,23}-tk-[0-9]* for vulnerability class 'arbitrary-code-execution'. Reference: https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-2337 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Debian 12 — icedtea-web — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — icedtea-web — multiple vulnerabilities (15 CVEs) — patch and remediation guide

  • July 13, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 13 July 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-2513 CVE-2011-2514 CVE-2011-3377 CVE-2012-3422 CVE-2012-3423 CVE-2012-4540 CVE-2013-1926 CVE-2013-1927  +7 more Upstream summary: The Java Network Launching Protocol (JNLP) implementation in IcedTea6 1.9.x before 1.9.9 and before 1.8.9, and […]

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How to Set Up LVM Logical Volume Management on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set Up LVM Logical Volume Management on Debian 12

  • July 13, 2023
  • Linux
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Introduction How to Set Up LVM Logical Volume Management on Debian 12 is a fundamental operation for any administrator maintaining a Debian 12 Bookworm server. Debian 12 Bookworm 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 […]

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Ubuntu 22.04 — telegraf — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — telegraf — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • July 13, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 13 July 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7966-2 Related CVEs: CVE-2022-29222 CVE-2022-29189 CVE-2022-29190 Upstream summary: USN-7966-1 fixed vulnerabilities in Snowflake. This update provides the corresponding updates for Telegraf. Original advisory details: It was discovered that Pion DTLS, […]

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Ubuntu 20.04 — activemq — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — activemq — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • July 13, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 13 July 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6910-1 Related CVEs: CVE-2015-7559 CVE-2018-11775 CVE-2020-13920 CVE-2021-26117 CVE-2022-41678 CVE-2023-46604 Upstream summary: Chess Hazlett discovered that Apache ActiveMQ incorrectly handled certain commands. A remote attacker could possibly use this issue to […]

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Oracle Linux 8 — istio — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — istio — vulnerability — patch and remediation guide (ELSA-2022-9773)

  • July 13, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 13 July 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9773 Related CVEs: CVE-2022-31045 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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NetBSD 9.4 — py27-supervisor — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — py27-supervisor — vulnerability — patch and remediation guide

  • July 13, 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 Related CVEs: CVE-2017-11610 Upstream summary: pkgsrc audit-packages flagged py27-supervisor<3.3.3 for vulnerability class 'arbitrary-code-execution'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2017-11610 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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How to Install and Configure Nagios Core on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install and Configure Nagios Core on RHEL 9

  • July 13, 2023
  • Linux
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Nagios Core is a widely-used open-source infrastructure monitoring system that alerts administrators to host and service failures. On RHEL 9, Nagios Core must be compiled from source since no official RPM package is maintained for the current release. This guide walks you through building Nagios Core 4.x, installing the standard plugins, securing the web interface […]

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Oracle Linux 9 — curl — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — curl — vulnerability — patch and remediation guide (ELSA-2022-6157)

  • July 13, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 13 July 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6157 Related CVEs: CVE-2022-32208 CVE-2022-32207 CVE-2022-32206 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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