Logging Monitoring

openSUSE Leap 15.5 — perl-Net-Netmask — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — perl-Net-Netmask — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2023:0215-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-29424 Upstream summary: The Net::Netmask module before 2.0000 for Perl does not properly consider extraneous zero characters at the beginning of an IP address […]

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NetBSD 9.4 — bitcoin — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — bitcoin — multiple vulnerabilities (20 CVEs) — 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 Related CVEs: CVE-2018-17144 CVE-2018-20587 CVE-2018-20586 CVE-2021-3195 CVE-2021-3401 CVE-2023-37192 CVE-2015-20111 CVE-2023-50428  +12 more Upstream summary: pkgsrc audit-packages flagged bitcoin<0.16.3 for vulnerability class 'remote-denial-of-service'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2018-17144 Table of contents Symptom & Impact Environment […]

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Debian 11 — node-tough-cookie — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-tough-cookie — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 January 2024 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-15010 CVE-2023-26136 Upstream summary: A ReDoS (regular expression denial of service) flaw was found in the tough-cookie module before 2.3.3 for Node.js. An attacker that is able to […]

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Alpine Linux 3.18 — libssh — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — libssh — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 0.9.6-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libssh 0.9.6-r0 Related CVEs: CVE-2021-3634 CVE-2020-16135 CVE-2020-1730 CVE-2019-14889 CVE-2018-10933 Upstream summary: Alpine community repository for vv3.18 ships libssh 0.9.6-r0 which addresses CVE-2021-3634. Table of contents […]

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Oracle Linux 9 — libtiff — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — libtiff — vulnerability — patch and remediation guide (ELSA-2025-20801)

🟡 Medium   ⏱ 10–30 min  Last verified: 17 January 2024 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-20801 Related CVEs: CVE-2023-52356 CVE-2023-52355 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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VMware ESXi 7.0 — hostd — ESXi vulnerability — VIB / vLCM patch and remediation guide — diagnosis and fix on VMware ESXi 7.0

VMware ESXi 7.0 — hostd — ESXi vulnerability — VIB / vLCM patch and remediation guide

🟠 Important   ⏱ 20–90 min  Last verified: 25 May 2026 Affected versions: VMware ESXi 7.0 📖 ~4 min read  •  Source: VMware advisory VMSA-2024-0013 Related CVEs: CVE-2024-37085 Fixed image profile / build: ESXi80U3-24022510 Upstream summary: ESXi contains an authentication bypass (CVE-2024-37085) that allows an attacker with sufficient Active Directory permissions to regain full administrative […]

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

Oracle Linux 8 — expat — vulnerability — patch and remediation guide (ELSA-2024-6989)

🟡 Medium   ⏱ 10–30 min  Last verified: 17 January 2024 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-6989 Related CVEs: CVE-2024-45491 CVE-2024-45490 CVE-2024-45492 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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NetBSD 9.4 — mate-screensaver — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — mate-screensaver — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2018-20681 Upstream summary: pkgsrc audit-packages flagged mate-screensaver<1.20.2 for vulnerability class 'information-disclosure'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2018-20681 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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How to Configure OpenVPN Server on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Configure OpenVPN Server on FreeBSD 14

Introduction This guide explains how to Configure OpenVPN Server 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 fine-grained privilege […]

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How to Install k3s Kubernetes on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Install k3s Kubernetes on FreeBSD 14

Introduction How to Install k3s Kubernetes 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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