chris

SLES 16 — libunwind8 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libunwind8 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2019:0284-1 (see also SUSE bugzilla) Related CVEs: CVE-2015-3239 Upstream summary: Off-by-one error in the dwarf_to_unw_regnum function in include/dwarf_i.h in libunwind 1.1 allows local users to have unspecified impact via invalid dwarf opcodes. […]

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Oracle Linux 10 — nfs-utils — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — nfs-utils — vulnerability — patch and remediation guide (ELSA-2026-3939)

🟡 Medium   ⏱ 10–30 min  Last verified: 12 May 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-3939 Related CVEs: CVE-2025-12801 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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Fedora 42 — openssh — vulnerability — patch and remediation guide — diagnosis and fix on Fedora 42

Fedora 42 — openssh — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Fedora 42 📖 ~4 min read  •  Source: Fedora update FEDORA-2026-d08c298940 Related CVEs: CVE-2026-35385 Upstream summary: Fixes high severity CVE: – CVE-2026-35385: Fix privilege escalation via scp legacy protocol when not in preserving file mode Table of contents Symptom & Impact Environment […]

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FreeBSD 15 — ja-linux-netscape — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — ja-linux-netscape — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 12 May 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: firefox & mozilla — multiple vulnerabilities Related CVEs: CVE-2004-0762 CVE-2004-0765 CVE-2004-0904 CVE-2004-0905 CVE-2004-0908 CVE-2004-0909 CVE-2004-1156 CVE-2004-1157  +12 more Upstream summary: A Mozilla Foundation Security Advisory reports of multiple issues: Heap […]

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How to Install MySQL 8 on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Install MySQL 8 on FreeBSD 15

Introduction This guide explains how to Install MySQL 8 on FreeBSD 15 on FreeBSD 15. 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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FreeBSD 15 — gitlab-ce — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — gitlab-ce — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 12 May 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Gitlab — vulnerabilities Related CVEs: CVE-2018-14364 CVE-2018-14601 CVE-2018-14602 CVE-2018-14603 CVE-2018-14604 CVE-2018-14605 CVE-2018-14606 CVE-2018-15472  +12 more Upstream summary: Gitlab reports: Cross-site Scripting issue in Analytics dashboard chart rendering impacts GitLab EE […]

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How to Set Up Nginx as a Reverse Proxy on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Set Up Nginx as a Reverse Proxy on FreeBSD 15

Introduction How to Set Up Nginx as a Reverse Proxy on FreeBSD 15 is a core administration task for any FreeBSD 15 server operator. FreeBSD 15 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, […]

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Common Problems 115994

Ubuntu 26.04 LTS – snap refresh stuck and applications fail to update – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 11 May 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~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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NetBSD 10.0 — py-authlib — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — py-authlib — multiple vulnerabilities (8 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-2025-59420 CVE-2025-68158 CVE-2026-28802 CVE-2026-27962 CVE-2026-28490 CVE-2026-28498 CVE-2025-61920 CVE-2025-62706 Upstream summary: pkgsrc audit-packages flagged py{27,39,310,311,312,313}-authlib<1.6.4 for vulnerability class 'security-bypass'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2025-59420 Table of contents Symptom & Impact Environment & Reproduction […]

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How to Set a Hostname and FQDN on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Set a Hostname and FQDN on RHEL 9

A server’s hostname is its identity on the network. The fully qualified domain name (FQDN) combines the short hostname with the DNS domain, forming an address like web01.example.com. Many services depend on a correctly configured hostname and FQDN to function properly: email servers use the FQDN in SMTP HELO greetings (incorrect values cause delivery rejections), […]

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