Logging Monitoring

Debian 12 — armnn — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — armnn — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-42627 Upstream summary: In Arm ArmNN through 2026-03-27, an integer overflow in TensorShape::GetNumElements() in armnn/Tensor.cpp allows a crafted TFLite model file to bypass buffer size validation and trigger […]

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Debian 12 — node-ip-address — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — node-ip-address — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-42338 Upstream summary: ip-address is a library for parsing and manipulating IPv4 and IPv6 addresses in JavaScript. Prior to 10.1.1, Address6.group() and Address6.link() do not HTML-escape attacker-controlled content […]

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How to Configure ZFS Send/Receive Replication on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure ZFS Send/Receive Replication on FreeBSD 15

Introduction Deploying configure zfs send/receive replication on a FreeBSD 15 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard base + ports […]

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openSUSE Leap 15.6 — xwayland — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — xwayland — multiple vulnerabilities (20 CVEs) — 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-2026:10739 (see also SUSE bugzilla) Related CVEs: CVE-2026-34001 CVE-2025-62229 CVE-2025-62230 CVE-2025-62231 CVE-2025-49175 CVE-2025-49176 CVE-2025-49179 CVE-2025-49180  +12 more Upstream summary: A flaw was found in the X.Org X server. This use-after-free vulnerability […]

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How to Secure MySQL 9 on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Configure MySQL Primary-Replica Replication on Ubuntu 26.04

MySQL primary-replica replication asynchronously copies data from a primary server to one or more replica servers. This improves read scalability, provides a hot standby for disaster recovery, and enables backups from the replica without impacting the primary. This guide sets up replication on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Two […]

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Debian 13 — node-bl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — node-bl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 May 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-8244 Upstream summary: A buffer over-read vulnerability exists in bl <4.0.3, <3.0.1, <2.2.1, and <1.2.3 which could allow an attacker to supply user input (even typed) that if it […]

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Debian 12 — mydumper — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — mydumper — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-30224 Upstream summary: MyDumper is a MySQL Logical Backup Tool. The MySQL C client library (libmysqlclient) allows authenticated remote actors to read arbitrary files from client systems via […]

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Common Problems 116062

Ubuntu 26.04 LTS – older kernels missing from GRUB menu – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 3 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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Ubuntu 16.04 — gnutls28 — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — gnutls28 — multiple vulnerabilities (19 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 3 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7742-1 Related CVEs: CVE-2025-32988 CVE-2025-32990 CVE-2025-6395 CVE-2021-4209 https://launchpad.net/bugs/1860656 https://launchpad.net/bugs/1858691 CVE-2018-10844 CVE-2018-10845  +11 more Upstream summary: It was discovered that GnuTLS incorrectly handled exporting Subject Alternative Name (SAN) entries containing an […]

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Ubuntu 20.04 — node-form-data — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — node-form-data — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7976-1 Related CVEs: CVE-2025-7783 Upstream summary: Ben Shonaldmann discovered that Form-data incorrectly generated boundary values for multipart form-encoded data, leading to predictable values. A remote attacker could possibly use this […]

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