Logging Monitoring

Debian 13 — zoneminder — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — zoneminder — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0227 CVE-2008-1381 CVE-2008-3880 CVE-2008-3881 CVE-2008-3882 CVE-2008-6755 CVE-2008-6756 CVE-2013-0232  +12 more Upstream summary: Buffer overflow in the zms script in ZoneMinder before 1.19.2 may allow a remote attacker to […]

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Debian 12 — libxml2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libxml2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0110 CVE-2004-0989 CVE-2007-6284 CVE-2008-3281 CVE-2008-3529 CVE-2008-4225 CVE-2008-4226 CVE-2009-2414  +12 more Upstream summary: Buffer overflow in the (1) nanohttp or (2) nanoftp modules in XMLSoft Libxml 2 (Libxml2) 2.6.0 […]

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Debian 11 — mariadb-10.5 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mariadb-10.5 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-14765 CVE-2020-14776 CVE-2020-14789 CVE-2020-14812 CVE-2020-15180 CVE-2021-2022 CVE-2021-2154 CVE-2021-2166  +12 more Upstream summary: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: FTS). Supported versions that are […]

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Debian 10 — ruby2.5 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — ruby2.5 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-15845 CVE-2020-10663 CVE-2021-28965 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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Debian 9 — libvirt — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — libvirt — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-1000256 CVE-2018-1064 CVE-2019-10161 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 111236

Windows Server 2025 — DNS resolution failing for internal zones after Windows Update on Server 2025 — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Windows Server 2025 📖 ~2 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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FreeBSD 15 — wireshark-lite — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — wireshark-lite — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: wireshark — multiple security issues Related CVEs: CVE-2007-3389 CVE-2007-3390 CVE-2007-3391 CVE-2007-3392 CVE-2007-3393 CVE-2007-6112 CVE-2007-6113 CVE-2007-6114  +12 more Upstream summary: wireshark developers reports: wnpa-sec-2018-05. IEEE 802.11 dissector crash. (CVE-2018-7335) wnpa-sec-2018-06. Large […]

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Common Problems 113943

RHEL 10 – dnf cannot download metadata due to mirror TLS validation errors – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 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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FreeBSD 14 — mysql-connector-c++ — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — mysql-connector-c++ — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MySQL — Multiple vulnerabilities Related CVEs: CVE-2020-2752 CVE-2020-2875 CVE-2020-2922 CVE-2020-2933 CVE-2020-2934 CVE-2021-22946 CVE-2021-3712 CVE-2022-1941  +12 more Upstream summary: Oracle reports: This Critical Patch Update contains 37 new security patches, plus […]

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Common Problems 114441

SELinux AVC Denials Breaking Web Application Access

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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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