Security Hardening

FreeBSD 12 — gnutls-devel — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — gnutls-devel — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 3 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: gnutls — multiple certificate verification issues Related CVEs: CVE-2006-4790 CVE-2009-1415 CVE-2009-1416 CVE-2009-1417 CVE-2009-2730 CVE-2012-1569 CVE-2012-1573 CVE-2014-0092  +1 more Upstream summary: GnuTLS project reports: A vulnerability was discovered that affects the […]

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FreeBSD 12 — openssh-portable-base — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — openssh-portable-base — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: OpenSSH — Memory corruption in sshd Upstream summary: The OpenSSH development team reports: A memory corruption vulnerability exists in the post- authentication sshd process when an AES-GCM cipher ([email protected] or […]

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openSUSE Tumbleweed — libupnp6 — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libupnp6 — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2012-5958 CVE-2012-5959 CVE-2012-5960 CVE-2012-5961 CVE-2012-5962 CVE-2012-5963 CVE-2012-5964 CVE-2012-5965 Upstream summary: Stack-based buffer overflow in the unique_service_name function in ssdp/ssdp_server.c in the SSDP parser in the […]

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FreeBSD 12 — movemail — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — movemail — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: emacs — movemail format string vulnerability Related CVEs: CVE-2005-0100 Upstream summary: Max Vozeler discovered several format string vulnerabilities in the movemail utility of Emacs. They can be exploited when connecting […]

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FreeBSD 12 — php71-mbstring — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — php71-mbstring — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 3 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: oniguruma — multiple vulnerabilities Related CVEs: CVE-2017-9224 CVE-2017-9226 CVE-2017-9227 CVE-2017-9228 Upstream summary: the PHP project reports: A stack out-of-bounds read occurs in match_at() during regular expression searching. A logical error […]

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Oracle Linux 8 — librabbitmq — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — librabbitmq — vulnerability — patch and remediation guide (ELSA-2020-4445)

🟡 Medium   ⏱ 10–30 min  Last verified: 3 September 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4445 Related CVEs: CVE-2019-18609 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 Build and Deploy a Go Web Application on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Build and Deploy a Go Web Application on RHEL 7

How to Build and Deploy a Go Web Application on RHEL 7 Go’s standard library includes a production-capable HTTP server in the net/http package. Unlike Java or Python, you do not need an external application server or framework to serve web traffic — the Go runtime handles it natively with impressive performance. This guide covers […]

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Common Problems 112601

Windows Server 2019 – Hyper-V VM networking packet loss caused by VMQ mismatch – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 2 September 2019 Affected versions: Windows Server 2019 📖 ~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 sudo for Non-Root Users on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure sudo for Non-Root Users on FreeBSD 12

Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up configure sudo for non-root users on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any […]

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

openSUSE Tumbleweed — mpop — 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-SA:2007:036 (see also SUSE bugzilla) Related CVEs: CVE-2007-1558 Upstream summary: The APOP protocol allows remote attackers to guess the first 3 characters of a password via man-in-the-middle (MITM) attacks that use crafted […]

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CHAT