Linux

Ubuntu 18.04 — nodejs — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — nodejs — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • September 23, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 23 September 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7469-3 Related CVEs: CVE-2023-44487 CVE-2023-30588 CVE-2023-30589 CVE-2023-30590 CVE-2022-32212 CVE-2022-32213 CVE-2022-32214 CVE-2022-32215  +12 more Upstream summary: USN-7469-1 fixed a vulnerability in Apache Traffic Server. This update provides the corresponding updates for […]

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

Oracle Linux 9 — nodejs — vulnerability — patch and remediation guide (ELSA-2023-3586)

  • September 23, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 23 September 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-3586 Related CVEs: CVE-2023-31124 CVE-2023-32067 CVE-2023-31147 CVE-2023-31130 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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How to Install Rust with rustup on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install Rust with rustup on Debian 12

  • September 23, 2023
  • Linux
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Introduction How to Install Rust with rustup 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 Debian 12. […]

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openSUSE Leap 15.5 — haproxy — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — haproxy — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • September 23, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory RHSA-2024:8849 (see also SUSE bugzilla) Related CVEs: CVE-2023-45539 CVE-2023-40225 Upstream summary: HAProxy before 2.8.2 accepts # as part of the URI component, which might allow remote attackers to obtain sensitive information […]

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How To Run Transactions in Redis — step-by-step Linux tutorial on Progressive Robot

How To Run Transactions in Redis

  • September 22, 2023
  • Linux
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Redis allows you to plan a sequence of commands and run them one after another, a procedure known as a transaction. It’s impossible for clients to run commands while a transaction block is being executed, ensuring that the transaction is treated as a single isolated operation. This tutorial goes over how to how to execute and cancel transactions, and also includes some information on pitfalls commonly associated with transactions.

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Oracle Linux 9 — java-1.8.0-openjdk security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — java-1.8.0-openjdk security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-5709)

  • September 22, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 22 September 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-5709 Related CVEs: CVE-2022-21541 CVE-2022-21540 CVE-2022-34169 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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How to Configure MySQL Group Replication on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure MySQL Group Replication on CentOS Stream 9

  • September 22, 2023
  • CentOS
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Introduction This tutorial demonstrates how to Configure MySQL Group Replication on CentOS Stream 9 on CentOS Stream 9. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 9 system with the […]

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Debian 12 — nfdump — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — nfdump — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • September 22, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 22 September 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-1010057 CVE-2019-14459 Upstream summary: nfdump 1.6.16 and earlier is affected by: Buffer Overflow. The impact is: The impact could range from a denial of service to local code […]

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Gentoo Linux — dev-python/requests — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-python/requests — vulnerability — patch and remediation guide

  • September 22, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202309-08 Related CVEs: CVE-2023-32681 Upstream summary: Requests is vulnerable to potentially leaking Proxy-Authorization headers to destination servers, specifically during redirects to an HTTPS origin with authentication credentials encoded into the URL. Table […]

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Debian 12 — node-bl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — node-bl — vulnerability — patch and remediation guide

  • September 22, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 22 September 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-8244 Upstream summary: A buffer over-read vulnerability exists in bl <4.0.3, <3.0.1, <2.2.1, and <1.2.3 which could allow an attacker to supply user input (even typed) that if […]

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