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FreeBSD 14 — py39-borgbackup — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — py39-borgbackup — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 December 2023 Affected versions: FreeBSD 14 📖 ~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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How to Set Up Alertmanager with Slack on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Set Up Alertmanager with Slack on FreeBSD 14

Introduction This guide explains how to Set Up Alertmanager with Slack on FreeBSD 14 on FreeBSD 14. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for […]

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NetBSD 9.4 — pcf2bdf — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — pcf2bdf — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2022-23318 CVE-2022-23319 Upstream summary: pkgsrc audit-packages flagged pcf2bdf<1.07 for vulnerability class 'heap-based-buffer-overflow'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2022-23318 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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FreeBSD 14 — cde — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — cde — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 December 2023 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: x11/cde — Local privilege escalation via CDE dtsession Related CVEs: CVE-2020-2696 Upstream summary: Marco Ivaldi (marco.ivaldi () mediaservice net) reports: A buffer overflow in the CheckMonitor() function in the Common […]

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Alpine Linux 3.19 — zsh — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — zsh — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 5.8.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — zsh 5.8.1-r0 Related CVEs: CVE-2021-45444 CVE-2019-20044 CVE-2018-1083 CVE-2018-1071 Upstream summary: Alpine main repository for vv3.19 ships zsh 5.8.1-r0 which addresses CVE-2021-45444. Table of contents Symptom […]

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Oracle Linux 9 — kernel security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — kernel security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-2458)

🟠 High   ⏱ 15–60 min  Last verified: 11 December 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2458 Related CVEs: CVE-2021-26341 CVE-2021-33655 CVE-2022-1462 CVE-2022-1789 CVE-2022-1882 CVE-2022-20141 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Debian 12 — node-mysql — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — node-mysql — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 December 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-9244 CVE-2019-14939 Upstream summary: Keys of objects in mysql node module v2.0.0-alpha7 and earlier are not escaped with `mysql.escape()` which could lead to SQL Injection. Table of contents […]

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How to Harden Web Servers on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Harden Web Servers on FreeBSD 14

Introduction How to Harden Web Servers on FreeBSD 14 is a core administration task for any FreeBSD 14 server operator. FreeBSD 14 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, […]

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FreeBSD 14 — teamspeak_server — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — teamspeak_server — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 December 2023 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Teamspeak Server — Directory Traversal Vulnerability Upstream summary: SecurityFocus reports: TeamSpeak is prone to a directory-traversal vulnerability because it fails to sufficiently sanitize user-supplied input data. Exploiting the issue may […]

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NetBSD 9.4 — socks5 — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — socks5 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged socks5<1.0.2nb2 for vulnerability class 'remote-root-shell'. Reference: http://online.securityfocus.com/archive/1/9842 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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