chris

Debian 13 — dbus — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — dbus — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 20 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-0201 CVE-2006-6107 CVE-2008-0595 CVE-2008-3834 CVE-2008-4311 CVE-2009-1189 CVE-2010-4352 CVE-2011-2200  +12 more Upstream summary: D-BUS (dbus) before 0.22 does not properly restrict access to a socket, if the socket address […]

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Debian 11 — python-dotenv — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-dotenv — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-28684 Upstream summary: python-dotenv reads key-value pairs from a .env file and can set them as environment variables. Prior to version 1.2.2, `set_key()` and `unset_key()` in python-dotenv follow […]

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Common Problems 114034

RHEL 10 – rsyslog Queue Backlog Causes Log Loss Risk – Throughput Tuning

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~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 […]

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How to Configure ACLs on UFS File Systems on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure ACLs on UFS File Systems on FreeBSD 15

Introduction How to Configure ACLs on UFS File Systems 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, pf […]

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openSUSE Leap 15.6 — apache-commons-fileupload — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — apache-commons-fileupload — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory RHSA-2025:14177 (see also SUSE bugzilla) Related CVEs: CVE-2025-48976 Upstream summary: Allocation of resources for multipart headers with insufficient limits enabled a DoS vulnerability in Apache Commons FileUpload. This issue affects Apache […]

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Debian 11 — node-on-headers — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-on-headers — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-7339 Upstream summary: on-headers is a node.js middleware for listening to when a response writes headers. A bug in on-headers versions `<1.1.0` may result in response headers being […]

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openSUSE Leap 15.6 — FastCGI — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — FastCGI — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:02369-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-23016 Upstream summary: FastCGI fcgi2 (aka fcgi) 2.x through 2.4.4 has an integer overflow (and resultant heap-based buffer overflow) via crafted nameLen or valueLen […]

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Debian 12 — ruby-bcrypt — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — ruby-bcrypt — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-33306 Upstream summary: bcrypt-ruby is a Ruby binding for the OpenBSD bcrypt() password hashing algorithm. Prior to version 3.1.22, an integer overflow in the Java BCrypt implementation for […]

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Debian 13 — atftp — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — atftp — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 20 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0380 CVE-2019-11365 CVE-2019-11366 CVE-2020-6097 CVE-2021-41054 CVE-2021-46671 Upstream summary: Buffer overflow in atftp daemon (atftpd) 0.6.1 and earlier, and possibly later versions, allows remote attackers to cause a denial […]

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How to Install Puppet Agent on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Install Puppet Agent on FreeBSD 15

Introduction FreeBSD 15 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install puppet agent on FreeBSD 15 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 Linux distribution. This guide walks […]

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