Linux

Alpine Linux 3.19 — singularity — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — singularity — multiple vulnerabilities (15 CVEs) — patch and remediation guide

  • October 14, 2024
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 4.1.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — singularity 4.1.1-r0 Related CVEs: CVE-2024-23650 CVE-2024-23651 CVE-2024-23652 CVE-2024-23653 CVE-2021-41190 GHSA-77vh-xpmg-72qh CVE-2021-32635 CVE-2021-29136  +7 more Upstream summary: Alpine community repository for vv3.19 ships singularity 4.1.1-r0 which […]

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Debian 12 — rzip — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — rzip — vulnerability — patch and remediation guide

  • October 14, 2024
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 14 October 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-8364 Upstream summary: The read_buf function in stream.c in rzip 2.1 allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly […]

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Ubuntu 22.04 — fontforge — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — fontforge — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • October 14, 2024
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 14 October 2024 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6856-1 Related CVEs: CVE-2024-25081 CVE-2024-25082 Upstream summary: It was discovered that FontForge incorrectly handled filenames. If a user or an automated system were tricked into opening a specially crafted input […]

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Ubuntu 14.04 — php5 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — php5 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • October 14, 2024
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 14 October 2024 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7049-3 Related CVEs: CVE-2024-8925 CVE-2024-8927 CVE-2021-21703 CVE-2020-7068 CVE-2020-7071 CVE-2021-21702 CVE-2021-21704 CVE-2021-21705  +12 more Upstream summary: USN-7049-1 fixed vulnerabilities in PHP. This update provides the corresponding updates for Ubuntu 14.04 LTS. […]

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openSUSE Leap 15.5 — cups-filters — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — cups-filters — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • October 14, 2024
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory RHSA-2024:7346 (see also SUSE bugzilla) Related CVEs: CVE-2024-47076 CVE-2024-47176 CVE-2023-24805 CVE-2024-47850 Upstream summary: CUPS is a standards-based, open-source printing system, and `libcupsfilters` contains the code of the filters of the former […]

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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-2025-20365)

  • October 14, 2024
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 14 October 2024 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-20365 Related CVEs: CVE-2024-28956 CVE-2024-8805 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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Common Problems 116407

Ubuntu 24.04 LTS – apt install fails with broken dependencies – Fix & Prevention

  • October 13, 2024
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 13 October 2024 Affected versions: Ubuntu 24.04 LTS 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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Debian 12 — jenkins-json — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — jenkins-json — vulnerability — patch and remediation guide

  • October 13, 2024
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 13 October 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-5072 Upstream summary: Denial of Service in JSON-Java versions up to and including 20230618.  A bug in the parser means that an input string of modest size can […]

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How to Configure a Static IP Address with Netplan on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Install Certbot and Manage Let’s Encrypt Certificates on Ubuntu 24.04

  • October 13, 2024
  • Linux
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Let’s Encrypt provides free, automated SSL/TLS certificates via the ACME protocol. Certbot is the official Let’s Encrypt client. This guide installs Certbot and manages certificates for Nginx on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Nginx installed A domain name pointed to your server Port 80 and […]

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

Debian 12 — node-semver — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • October 13, 2024
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 13 October 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-8855 CVE-2022-25883 Upstream summary: The semver package before 4.3.2 for Node.js allows attackers to cause a denial of service (CPU consumption) via a long version string, aka a […]

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