Linux

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

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

  • September 16, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 16 September 2025 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7259-3 Related CVEs: CVE-2025-0395 CVE-2014-9984 CVE-2015-20109 CVE-2018-11236 CVE-2021-3999 CVE-2024-2961 https://launchpad.net/bugs/2063328 CVE-2018-6485  +12 more Upstream summary: USN-7259-1 fixed a vulnerability in GNU C Library. This update provides the corresponding update for […]

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Common Problems 116596

Ubuntu 24.04 LTS – No audio output with PipeWire – Fix & Prevention

  • September 16, 2025
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 16 September 2025 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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openSUSE Leap 15.6 — json-lib — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — json-lib — vulnerability — patch and remediation guide

  • September 16, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:3543-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-47855 Upstream summary: util/JSONTokener.java in JSON-lib before 3.1.0 mishandles an unbalanced comment string. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Ubuntu 16.04 — git — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — git — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • September 16, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 16 September 2025 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7964-1 Related CVEs: CVE-2024-52006 CVE-2024-50349 https://launchpad.net/bugs/2116251 CVE-2025-48385 CVE-2025-46835 CVE-2025-27614 CVE-2025-48386 CVE-2025-27613  +12 more Upstream summary: It was discovered that Git did not properly sanitize URLs when asking for credentials via […]

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How to Secure MariaDB on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Secure MariaDB on Debian 13

  • September 16, 2025
  • Linux
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Introduction Deploying secure mariadb on a Debian 13 Trixie machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you begin, ensure you have a […]

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Common Problems 114031

RHEL 10 – systemd unit stuck in restart loop after config change – Fix & Prevention

  • September 15, 2025
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 15 September 2025 Affected versions: RHEL 10 📖 ~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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How to Set Up a Tor Relay on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Set Up a Tor Relay on Debian 13

  • September 15, 2025
  • Linux
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Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up set up a tor relay on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the resulting […]

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

Debian 13 — commons-beanutils — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • September 15, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 15 September 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-0114 CVE-2019-10086 CVE-2025-48734 Upstream summary: Apache Commons BeanUtils, as distributed in lib/commons-beanutils-1.8.0.jar in Apache Struts 1.x through 1.3.10 and in other products requiring commons-beanutils through 1.9.2, does not […]

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Debian 13 — libsmb2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libsmb2 — vulnerability — patch and remediation guide

  • September 15, 2025
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 15 September 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-57632 Upstream summary: libsmb2 6.2+ is vulnerable to Buffer Overflow. When processing SMB2 chained PDUs (NextCommand), libsmb2 repeatedly calls smb2_add_iovector() to append to a fixed-size iovec array without checking […]

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Debian 11 — python-ldap — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-ldap — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • September 15, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 15 September 2025 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-46823 CVE-2025-61911 CVE-2025-61912 Upstream summary: python-ldap before 3.4.0 is vulnerable to a denial of service when ldap.schema is used for untrusted schema definitions, because of a regular expression […]

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