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Ubuntu 18.04 — linux-aws-fips — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — linux-aws-fips — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • July 6, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 6 July 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8281-1 Related CVEs: CVE-2026-31431 CVE-2026-31504 CVE-2026-43033 CVE-2026-43077 CVE-2026-43078 CVE-2024-27388 CVE-2024-46816 CVE-2024-49938  +12 more Upstream summary: It was discovered that the Linux kernel algif_aead module did not properly handle in-place cryptographic […]

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How to Configure newsyslog Log Rotation on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure newsyslog Log Rotation on FreeBSD 15

Introduction This guide explains how to Configure newsyslog Log Rotation 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 […]

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Common Problems 113932

SELinux blocks NGINX upstream proxy connections

🟠 High   ⏱ 5–30 min  Last verified: 5 July 2026 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~1 min read Table of contents Problem Summary Symptoms Diagnostics Root Cause Primary Fix Verification Prevention Rollback Automation Command Reference Escalation Related Notes Problem Summary NGINX returns 502 because SELinux denies outbound proxy connection. Symptoms audit logs […]

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AlmaLinux 9 — rsync — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — rsync — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • July 5, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:0324 Related CVEs: CVE-2024-12085 CVE-2025-10158 CVE-2024-12087 CVE-2024-12088 CVE-2024-12747 CVE-2022-37434 Upstream summary: The rsync utility enables the users to copy and synchronize files locally or across a network. Synchronization with rsync is fast […]

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Common Problems 116070

Ubuntu 26.04 LTS SSHD Fails Due to Strict File Permissions

  • July 5, 2026
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 5 July 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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IBM AIX 7.2 — CVE-2026-1243 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2026-1243 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 5 July 2026 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2026-1243, IBM Support Bulletin CVE: CVE-2026-1243 NVD summary: IBM Content Navigator 3.0.15, 3.1.0, and 3.2.0 is vulnerable to cross-site scripting. This vulnerability allows an authenticated user to embed arbitrary JavaScript code in […]

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FreeBSD 15 — py35-djblets — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — py35-djblets — security advisory — patch and remediation guide

  • July 5, 2026
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 5 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-djblets — Self-XSS vulnerability Upstream summary: Djblets Release Notes reports: A recently-discovered vulnerability in the datagrid templates allows an attacker to generate a URL to any datagrid page containing malicious […]

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FreeBSD 15 — freeciv — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — freeciv — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • July 5, 2026
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 5 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: freeciv — Denial of Service Vulnerabilities Related CVEs: CVE-2006-0047 CVE-2006-3913 Upstream summary: Secunia reports: Luigi Auriemma has reported a vulnerability in Freeciv, which can be exploited by malicious people to […]

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Common Problems 115929

Ubuntu 26.04 LTS – netplan apply disconnects remote SSH session

  • July 5, 2026
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 5 July 2026 Affected versions: Ubuntu 26.04 LTS Ubuntu 26.04 Ubuntu 26.04.1 📖 ~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 […]

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Alpine Linux edge — py3-wheel — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — py3-wheel — vulnerability — patch and remediation guide

  • July 5, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.46.3-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-wheel 0.46.3-r0 Related CVEs: CVE-2026-24049 Upstream summary: Alpine main repository for vedge ships py3-wheel 0.46.3-r0 which addresses CVE-2026-24049. Table of contents Symptom & Impact Environment […]

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AIX AlmaLinux Alpine Linux authentication authorization Backup Recovery Boot Startup Cloud Integration Common Problems Cpu Memory Database Debian Debian 11 Debian 12 Bookworm Debian 13 Trixie DNS Firewall Fix Prevention FreeBSD FreeBSD 12 FreeBSD 13 FreeBSD 14 FreeBSD 15 Kernel Drivers Logging Monitoring Lvm Raid NetBSD Networking openSUSE Operations Oracle Linux Oracle Linux 8 Oracle Linux 9 Package Management Performance Proxy Security Hardening SLES Storage Disk Systemd Services Tls Ssl Troubleshooting ubuntu VPN windows server

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