August 2023 - Page 48 of 76

Debian 12 — ini4j — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — ini4j — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-41404 Upstream summary: An issue in the fetch() method in the BasicProfile class of org.ini4j through version v0.5.4 allows attackers to cause a Denial of Service (DoS) via […]

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Windows Server 2019 — KB5022894 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5022894 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5022894 • MSRC update-guide entry Related CVEs: CVE-2023-21689 CVE-2023-21690 CVE-2023-21692 CVE-2023-21684 CVE-2023-21701 CVE-2023-21797 CVE-2023-21798 CVE-2023-21799  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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Debian 12 — libzypp — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libzypp — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-7435 CVE-2017-7436 CVE-2017-9269 CVE-2017-9271 CVE-2018-7685 CVE-2019-18900 Upstream summary: In libzypp before 20170803 it was possible to add unsigned YUM repositories without warning to the user that could lead […]

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Debian 12 — texlive-extra — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — texlive-extra — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-2120 Upstream summary: latex2man in texlive-extra-utils 2011.20120322, and possibly other versions or packages, when used with the H or T option, allows local users to overwrite arbitrary files […]

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NetBSD 9.4 — php-dotclear — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — php-dotclear — vulnerability — patch and remediation guide

🟠 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-2023-53952 Upstream summary: pkgsrc audit-packages flagged php{56,74,81,82,83,84}-dotclear-[0-9]* for vulnerability class 'arbitrary-code-execution'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2023-53952 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Debian 12 — vsftpd — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — vsftpd — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0042 CVE-2004-2259 CVE-2011-0762 CVE-2011-2189 CVE-2015-1419 CVE-2021-3618 Upstream summary: vsftpd 1.1.3 generates different error messages depending on whether or not a valid username exists, which allows remote attackers to […]

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

Debian 12 — libmaxminddb — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-28241 Upstream summary: libmaxminddb before 1.4.3 has a heap-based buffer over-read in dump_entry_data_list in maxminddb.c. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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NetBSD 9.4 — namazu — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — namazu — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged namazu<1.3.0.11 for vulnerability class 'remote-file-creation'. Reference: http://www.namazu.org/security.html.en Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Common Problems 120099

Debian 12: Certbot renewal failure due to challenge path

🟠 High   ⏱ 5–30 min  Last verified: 12 August 2023 Affected versions: Debian 12 📖 ~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 Configure Apache with mod_security on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure Apache with mod_security on Oracle Linux 9

Introduction How to Configure Apache with mod_security on Oracle Linux 9 on Oracle Linux 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration […]

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