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openSUSE Tumbleweed — xen — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — xen — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • July 18, 2026
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2016:0536-1 (see also SUSE bugzilla) Related CVEs: CVE-2015-7512 CVE-2015-8104 CVE-2025-54518 CVE-2026-23558 CVE-2026-23554 CVE-2026-23555 CVE-2025-27466 CVE-2025-58143  +12 more Upstream summary: Buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU, when a guest […]

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Debian 12 — lxml — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — lxml — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • July 18, 2026
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🟡 Medium   ⏱ 10–30 min  Last verified: 18 July 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-3146 CVE-2018-19787 CVE-2020-27783 CVE-2021-28957 CVE-2021-43818 CVE-2022-2309 CVE-2026-41066 Upstream summary: Incomplete blacklist vulnerability in the lxml.html.clean module in lxml before 3.3.5 allows remote attackers to conduct cross-site scripting (XSS) […]

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

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

  • July 18, 2026
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🟠 High   ⏱ 15–60 min  Last verified: 18 July 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-1869 CVE-2007-1870 CVE-2007-3946 CVE-2007-3947 CVE-2007-3948 CVE-2007-3949 CVE-2007-3950 CVE-2007-4727  +12 more Upstream summary: lighttpd 1.4.12 and 1.4.13 allows remote attackers to cause a denial of service (cpu and resource […]

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How to Set Up a Private Docker Registry on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Manage Docker Images and Containers on Ubuntu 26.04

  • July 18, 2026
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Managing Docker images and containers effectively is a core skill for any developer or sysadmin working with containers. This guide covers the essential commands for building, tagging, pushing, listing, inspecting, and cleaning up Docker images and containers on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with Docker Engine […]

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openSUSE Tumbleweed — ruby4.0-rubygem-rack-session — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — ruby4.0-rubygem-rack-session — vulnerability — patch and remediation guide

  • July 18, 2026
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2026-39324 Upstream summary: Rack::Session is a session management implementation for Rack. From 2.0.0 to before 2.1.2, Rack::Session::Cookie incorrectly handles decryption failures when configured with secrets:. […]

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

Debian 13 — yaml-cpp — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • July 18, 2026
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🟡 Medium   ⏱ 10–30 min  Last verified: 18 July 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-11692 CVE-2017-5950 CVE-2018-20573 CVE-2018-20574 CVE-2019-6285 CVE-2019-6292 Upstream summary: The function "Token& Scanner::peek" in scanner.cpp in yaml-cpp 0.5.3 and earlier allows remote attackers to cause a denial of service […]

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Debian 13 — shapelib — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — shapelib — vulnerability — patch and remediation guide

  • July 18, 2026
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🟢 Low   ⏱ 5–15 min  Last verified: 18 July 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-0699 Upstream summary: A double-free condition exists in contrib/shpsort.c of shapelib 1.5.0 and older releases. This issue may allow an attacker to cause a denial of service or have […]

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Common Problems 113947

RHEL 10 – NetworkManager ignores static route after restart – Fix & Prevention

  • July 18, 2026
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🟡 Medium   ⏱ 5–30 min  Last verified: 18 July 2026 Affected versions: RHEL 10 📖 ~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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Debian 12 — kdenlive — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — kdenlive — vulnerability — patch and remediation guide

  • July 18, 2026
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🟢 Low   ⏱ 5–15 min  Last verified: 18 July 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-45184 Upstream summary: Kdenlive before 26.04.1 allows dangerous proxy parameters when an attacker-controlled project file is used. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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