Logging Monitoring

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2026-50142)

🟠 High   ⏱ 15–60 min  Last verified: 30 April 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-50142 Related CVEs: CVE-2025-40215 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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How to Configure DKIM, SPF, and DMARC on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure DKIM, SPF, and DMARC on RHEL 9

Email authentication through DKIM, SPF, and DMARC is no longer optional — major providers like Gmail and Outlook reject or junk messages from servers that lack these records. DKIM (DomainKeys Identified Mail) adds a cryptographic signature to outgoing messages, SPF (Sender Policy Framework) publishes a DNS record declaring which servers may send mail for your […]

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NetBSD 10.0 — xalan-j — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — xalan-j — 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 Related CVEs: CVE-2014-0107 Upstream summary: pkgsrc audit-packages flagged xalan-j>=2.7.0<2.7.2 for vulnerability class 'security-bypass'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0107 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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FreeBSD 14 — amavisd-new — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — amavisd-new — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 April 2025 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: amavisd-new — multipart boundary confusion Related CVEs: CVE-2024-28054 Upstream summary: The Amavis project reports: Emails which consist of multiple parts (`Content-Type: multipart/*`) incorporate boundary information stating at which point one […]

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

NetBSD 10.0 — suse_vmware — 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 suse{,32}_vmware<11.1 for vulnerability class 'eol'. Reference: https://ftp.NetBSD.org/pub/NetBSD/packages/vulns/eol-packages Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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FreeBSD 14 — weechat-devel — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — weechat-devel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 April 2025 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: weechat — Arbitrary shell command execution via scripts Related CVEs: CVE-2012-5854 Upstream summary: Sebastien Helleu reports: Untrusted command for function hook_process could lead to execution of commands, because of shell […]

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NetBSD 10.0 — libXi — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — libXi — multiple vulnerabilities (2 CVEs) — 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 Related CVEs: CVE-2016-7946 CVE-2016-7945 Upstream summary: pkgsrc audit-packages flagged libXi<1.7.2 for vulnerability class 'multiple-vulnerabilities'. Reference: http://www.debian.org/security/2013/dsa-2683 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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FreeBSD 14 — zenphoto — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — zenphoto — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 29 April 2025 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: zenphoto — multiple vulnerabilities Related CVEs: CVE-2007-6666 CVE-2015-5591 CVE-2015-5592 CVE-2015-5593 CVE-2015-5594 CVE-2015-5595 Upstream summary: zenphoto reports: Fixes several SQL Injection, XSS and path traversal security issues Table of contents Symptom […]

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Debian 12 — easy-rsa — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — easy-rsa — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 April 2025 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2024-13454 Upstream summary: Weak encryption algorithm in Easy-RSA version 3.0.5 through 3.1.7 allows a local attacker to more easily bruteforce the private CA key when created using OpenSSL […]

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FreeBSD 14 — kamailio — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — kamailio — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 April 2025 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: kamailio – buffer overflow Related CVEs: CVE-2016-2385 CVE-2018-8828 Upstream summary: A specially crafted REGISTER message with a malformed branch or From tag triggers an off-by-one heap-based buffer overflow in the […]

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