chris

Ubuntu 24.04 — libxslt — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — libxslt — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 5 September 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7945-1 Related CVEs: CVE-2025-7424 CVE-2025-24855 CVE-2024-55549 Upstream summary: Ivan Fratric discovered that Libxslt was vulnerable to type confusion when performing XML transformations. An attacker could possibly use this issue to […]

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openSUSE Tumbleweed — rhino — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — rhino — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:4390-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-66453 Upstream summary: Rhino is an open-source implementation of JavaScript written entirely in Java. Prior to 1.8.1, 1.7.15.1, and 1.7.14.1, when an application passed an […]

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Oracle Linux 10 — image-builder — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — image-builder — vulnerability — patch and remediation guide (ELSA-2026-3840)

🟠 High   ⏱ 15–60 min  Last verified: 5 September 2025 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-3840 Related CVEs: CVE-2025-61726 CVE-2025-61729 CVE-2025-68121 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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How to Install MySQL 8.4 on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install MySQL 8.4 on Debian 13

Introduction How to Install MySQL 8.4 on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 12. This […]

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Common Problems 119476

Debian 13 DNS Resolution Failures After Resolver Changes

🟡 Medium   ⏱ 5–30 min  Last verified: 5 September 2025 📖 ~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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Alpine Linux 3.20 — bareos — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — bareos — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 19.2.8-r0 📖 ~4 min read  •  Source: Alpine secdb entry — bareos 19.2.8-r0 Related CVEs: CVE-2020-4042 CVE-2020-11061 Upstream summary: Alpine community repository for vv3.20 ships bareos 19.2.8-r0 which addresses CVE-2020-4042. Table of contents Symptom & Impact […]

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FreeBSD 12 — valkey — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — valkey — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 4 September 2025 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: redis,valkey — Out of bound read due to a bug in LUA Related CVEs: CVE-2024-31227 CVE-2024-31228 CVE-2024-31449 CVE-2024-46981 CVE-2024-51741 CVE-2025-21605 CVE-2025-27151 CVE-2025-32023  +5 more Upstream summary: redis reports: An authenticated […]

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

Debian 13 — rtpengine — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 September 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-53399 Upstream summary: In Sipwise rtpengine before 13.4.1.1, an origin-validation error in the endpoint-learning logic of the media-relay core allows remote attackers to inject or intercept RTP/SRTP media streams […]

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NetBSD 10.0 — xentools45 — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — xentools45 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged xentools45<4.5.0nb2 for vulnerability class 'unexpected-backend'. Reference: https://xenbits.xen.org/xsa/#XSA-119 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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How to Configure Chrony as an NTP Server on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Configure Chrony as an NTP Server on Oracle Linux 10

Introduction This tutorial demonstrates how to Configure Chrony as an NTP Server on Oracle Linux 10 on Oracle Linux 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 10 system […]

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