Systemd Services

openSUSE Tumbleweed — ruby2.7 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — ruby2.7 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

  • September 24, 2021
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2025:14621-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-41816 CVE-2021-31799 CVE-2021-31810 CVE-2021-32066 CVE-2020-10663 CVE-2021-41817 CVE-2021-41819 CVE-2020-10933  +2 more Upstream summary: CGI.escape_html in Ruby before 2.7.5 and 3.x before 3.0.3 has an integer overflow […]

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Debian 11 — yubico-pam — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — yubico-pam — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • September 24, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 24 September 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-4120 CVE-2018-9275 Upstream summary: Yubico PAM Module before 2.10 performed user authentication when 'use_first_pass' PAM configuration option was not used and the module was configured as 'sufficient' in […]

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FreeBSD 12 — mariadb103-client — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — mariadb103-client — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • September 24, 2021
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 24 September 2021 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MariaDB — Multiple vulnerabilities Related CVEs: CVE-2020-15180 CVE-2020-2574 CVE-2021-46659 CVE-2021-46661 CVE-2021-46663 CVE-2021-46664 CVE-2021-46665 CVE-2021-46668  +12 more Upstream summary: The MariaDB project reports: MariaDB fixed 23 vulnerabilities across all supported versions […]

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FreeBSD 13 — phpMyAdmin — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — phpMyAdmin — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • September 24, 2021
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 24 September 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: phpMyAdmin — XSS vulnerability in drag-and-drop upload Related CVEs: CVE-2004-0129 CVE-2004-1147 CVE-2004-1148 CVE-2005-0543 CVE-2005-0544 CVE-2005-0567 CVE-2005-0653 CVE-2005-0992  +12 more Upstream summary: phpMyAdmin Team reports: PMASA-2023-1 XSS vulnerability in drag-and-drop upload […]

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Oracle Linux 8 — libssh security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libssh security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-2031)

  • September 23, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 23 September 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-2031 Related CVEs: CVE-2021-3634 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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FreeBSD 13 — php55-dom — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — php55-dom — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • September 23, 2021
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 23 September 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php5 — multiple vulnerabilities Related CVEs: CVE-2015-4643 CVE-2015-4644 Upstream summary: The PHP project reports: DOM and GD: Fixed bug #69719 (Incorrect handling of paths with NULs). FTP: Improved fix for […]

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AlmaLinux 8 — strace — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — strace — vulnerability — patch and remediation guide

  • September 23, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2022:2026 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Common Problems 117927

Ubuntu 18.04 DNS Resolution Fails Intermittently with systemd-resolved

  • September 23, 2021
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 23 September 2021 📖 ~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 & Cross-Refs References & Further […]

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How to Configure Bacula Backup on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure Bacula Backup on FreeBSD 13

  • September 23, 2021
  • FreeBSD
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Introduction How to Configure Bacula Backup on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, […]

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Debian 11 — weex — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — weex — vulnerability — patch and remediation guide

  • September 23, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 23 September 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-3150 Upstream summary: Format string vulnerability in the Log_Flush function in Weex 2.6.1.5, 2.6.1, and possibly other versions allows remote FTP servers to execute arbitrary code via format […]

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