chris

How to Configure dnsmasq on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Configure dnsmasq on Debian 13

Introduction Deploying configure dnsmasq on a Debian 13 Trixie machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure Debian 13 Trixie is fully updated […]

Read more
AlmaLinux 9 — open-vm-tools — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — open-vm-tools — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:17428 Related CVEs: CVE-2025-41244 CVE-2023-34058 CVE-2023-34059 CVE-2023-20900 CVE-2022-31676 CVE-2025-22247 CVE-2023-20867 Upstream summary: The Open Virtual Machine Tools are the open source implementation of the VMware Tools. They are a set of guest […]

Read more
FreeBSD 13 — erlang-runtime — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — erlang-runtime — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 August 2025 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Erlang – Absolute Path in Zip Module Related CVEs: CVE-2025-32433 CVE-2025-4748 Upstream summary: https://github.com/erlang/otp/security/advisories/GHSA-9g37-pgj9-wrhc reports: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Erlang OTP […]

Read more
Debian 13 — indent — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — indent — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 August 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-40305 CVE-2024-0911 Upstream summary: GNU indent 2.2.13 has a heap-based buffer overflow in search_brace in indent.c via a crafted file. Table of contents Symptom & Impact Environment & […]

Read more
NetBSD 10.0 — apr — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — apr — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2009-2412 CVE-2023-49582 CVE-2017-12613 CVE-2021-35940 CVE-2022-24963 CVE-2009-2699 CVE-2011-0419 CVE-2011-1928  +1 more Upstream summary: pkgsrc audit-packages flagged apr<0.9.19 for vulnerability class 'remote-user-shell'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2412 Table of contents Symptom & Impact Environment […]

Read more
Common Problems 113890

RHEL 10 – dnf metadata expiration errors behind proxy – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 21 August 2025 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 […]

Read more
AlmaLinux 8 — nfs-utils — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — nfs-utils — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:3938 Related CVEs: CVE-2025-12801 Upstream summary: The nfs-utils packages provide a daemon for the kernel Network File System (NFS) server and related tools, which provides better performance than the traditional Linux NFS […]

Read more
Debian 13 — tryton-proteus — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — tryton-proteus — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 August 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-26661 CVE-2022-26662 Upstream summary: An XXE issue was discovered in Tryton Application Platform (Server) 5.x through 5.0.45, 6.x through 6.0.15, and 6.1.x and 6.2.x through 6.2.5, and Tryton […]

Read more
Debian 13 — pcf2bdf — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — pcf2bdf — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 August 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-23318 CVE-2022-23319 Upstream summary: A heap-buffer-overflow in pcf2bdf, versions >= 1.05 allows an attacker to trigger unsafe memory access via a specially crafted PCF font file. This out-of-bound […]

Read more
Common Problems 119425

Debian 13 APT Lock Contention During Package Operations

🟡 Medium   ⏱ 5–30 min  Last verified: 21 August 2025 Affected versions: Debian 13 📖 ~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 & […]

Read more
CHAT