Security Hardening

openSUSE Tumbleweed — tree-sitter — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — tree-sitter — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • July 6, 2026
  • Linux
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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-2022-45299 CVE-2026-44216 CVE-2026-34941 CVE-2026-34943 CVE-2026-34988 CVE-2026-35186 CVE-2026-34945 Upstream summary: An issue in the IpFile argument of rust-lang webbrowser-rs v0.8.2 allows attackers to access arbitrary files […]

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Debian 13 — gnumeric — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — gnumeric — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • July 6, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 6 July 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-2491 CVE-2008-0668 CVE-2009-0318 CVE-2013-6836 Upstream summary: Integer overflow in pcre_compile.c in Perl Compatible Regular Expressions (PCRE) before 6.2, as used in multiple products such as Python, Ethereal, and […]

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Common Problems 116008

time drift breaks TLS and apt repository access

🟠 High   ⏱ 5–30 min  Last verified: 6 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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Debian 13 — gemmi — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — gemmi — vulnerability — patch and remediation guide

  • July 6, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 6 July 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-49287 Upstream summary: TinyDir is a lightweight C directory and file reader. Buffer overflows in the `tinydir_file_open()` function. This vulnerability has been patched in version 1.2.6. Table of contents […]

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Debian 13 — libsdl2-image — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libsdl2-image — 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: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-12122 CVE-2017-14440 CVE-2017-14441 CVE-2017-14442 CVE-2017-14448 CVE-2017-14449 CVE-2017-14450 CVE-2017-2887  +12 more Upstream summary: An exploitable code execution vulnerability exists in the ILBM image rendering functionality of SDL2_image-2.0.2. A specially […]

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How to Configure ZFS Pool Management on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure ZFS Pool Management on FreeBSD 15

Introduction This guide explains how to Configure ZFS Pool Management 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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Windows Server 2019 — KB5050048 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5050048 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5050048 • MSRC update-guide entry Related CVEs: CVE-2025-21294 CVE-2025-21295 CVE-2025-21296 CVE-2025-21297 CVE-2025-21298 CVE-2025-21309 CVE-2025-21307 CVE-2024-49120  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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

Debian 13 — mycli — vulnerability — patch and remediation guide

  • July 6, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 6 July 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-44690 Upstream summary: Inadequate encryption strength in mycli 1.27.0 allows attackers to view sensitive information via /mycli/config.py Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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Debian 11 — cmake — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — cmake — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • July 6, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 6 July 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-3560 CVE-2009-3720 CVE-2025-9301 Upstream summary: The big2_toUtf8 function in lib/xmltok.c in libexpat in Expat 2.0.1, as used in the XML-Twig module for Perl, allows context-dependent attackers to cause […]

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Debian 11 — kissfft — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — kissfft — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • July 6, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 6 July 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-34297 CVE-2026-41445 Upstream summary: KissFFT versions prior to the fix commit 1b083165 contain an integer overflow in kiss_fft_alloc() in kiss_fft.c on platforms where size_t is 32-bit. The nfft […]

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