Operations

FreeBSD 12 — openssl-quic — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — openssl-quic — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 March 2023 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: OpenSSL — Multiple vulnerabilities Related CVEs: CVE-2023-0464 CVE-2023-0465 CVE-2023-0466 Upstream summary: The OpenSSL project reports: Severity: low Applications that use a non-default option when verifying certificates may be vulnerable to […]

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FreeBSD 12 — py38-WsgiDAV — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py38-WsgiDAV — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 March 2023 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-WsgiDAV — XSS vulnerability Related CVEs: CVE-2022-41905 Upstream summary: Implementations using this library with directory browsing enabled may be susceptible to Cross Site Scripting (XSS) attacks. Table of contents Symptom […]

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FreeBSD 12 — py311-borgbackup — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py311-borgbackup — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 March 2023 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Borg (Backup) — flaw in cryptographic authentication scheme in Borg allowed an attacker to fake archives and indirectly cause backup data loss. Related CVEs: CVE-2023-36811 Upstream summary: Thomas Waldmann reports: […]

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Common Problems 111716

Windows Server 2022 – RDS licensing mode not configured after policy drift – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 23 March 2023 Affected versions: Windows Server 2022 📖 ~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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Amazon Linux 2023 — bash — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — bash — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2023-091 Related CVEs: CVE-2022-3715 Upstream summary: A flaw was found in the bash package, where a heap-buffer overflow can occur in valid parameter_transform. This issue may lead to memory problems. […]

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Debian 11 — php-cas — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — php-cas — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 March 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-5583 CVE-2014-4172 CVE-2017-1000071 CVE-2022-39369 Upstream summary: phpCAS before 1.3.2 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName […]

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Ubuntu 16.04 — traceroute — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — traceroute — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 March 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6478-1 Related CVEs: CVE-2023-46316 Upstream summary: It was discovered that Traceroute did not properly parse command line arguments. An attacker could possibly use this issue to execute arbitrary commands. Table […]

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Amazon Linux 2 — kernel-livepatch-4.14.296-222.539 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.296-222.539 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2023-096 Related CVEs: CVE-2022-3524 CVE-2022-3564 Upstream summary: A vulnerability was found in Linux Kernel. It has been declared as problematic. Affected by this vulnerability is the function ipv6_renew_options of the […]

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How to Configure Buildbot CI on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Buildbot CI on Debian 9

Introduction How to Configure Buildbot CI on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch 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 9. This […]

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Oracle Linux 9 — tracker-miners — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — tracker-miners — vulnerability — patch and remediation guide (ELSA-2023-7712)

🟠 High   ⏱ 15–60 min  Last verified: 23 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7712 Related CVEs: CVE-2023-5557 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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