Fix Prevention

NetBSD 9.4 — ruby-sinatra — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ruby-sinatra — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • February 15, 2025
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2018-11627 CVE-2022-29970 CVE-2022-45442 CVE-2025-61921 Upstream summary: pkgsrc audit-packages flagged ruby{22,23,24,25}-sinatra<2.0.2 for vulnerability class 'cross-site-scripting'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2018-11627 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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Windows Server 2022 — KB5050185 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5050185 — security update — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5050185 • MSRC update-guide entry Related CVEs: CVE-2025-21176 Affected components: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022, 23H2 Edition (Server Core installation) Table of contents Symptom & Impact Environment […]

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Debian 12 — node-express — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — node-express — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • February 15, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 15 February 2025 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-6393 CVE-2024-10491 CVE-2024-29041 CVE-2024-43796 Upstream summary: The Express web framework before 3.11 and 4.x before 4.5 for Node.js does not provide a charset field in HTTP Content-Type headers […]

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Debian 12 — lxd — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — lxd — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • February 15, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 15 February 2025 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2024-6156 CVE-2025-54286 CVE-2025-54287 CVE-2025-54288 CVE-2025-54289 CVE-2025-54290 CVE-2025-54291 CVE-2025-54293  +12 more Upstream summary: Mark Laing discovered that LXD's PKI mode, until version 5.21.2, could be bypassed if the client's […]

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AlmaLinux 8 — perl-Filter-Simple — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — perl-Filter-Simple — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • February 15, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:8096 Related CVEs: CVE-2025-40909 CVE-2023-47038 Upstream summary: Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Security Fix(es): * perl: Perl threads have a […]

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Rocky Linux 8 — perl-Text-Template — vulnerability — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — perl-Text-Template — vulnerability — patch and remediation guide

  • February 15, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:8096 Related CVEs: CVE-2025-40909 Upstream summary: Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Security Fix(es): * perl: Perl threads have […]

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Alpine Linux 3.20 — lighttpd — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — lighttpd — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • February 15, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 1.4.67-r0 📖 ~4 min read  •  Source: Alpine secdb entry — lighttpd 1.4.67-r0 Related CVEs: CVE-2022-41556 CVE-2022-22707 CVE-2025-8671 Upstream summary: Alpine main repository for vv3.20 ships lighttpd 1.4.67-r0 which addresses CVE-2022-41556. Table of contents Symptom & […]

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Ubuntu 18.04 — libyaml-syck-perl — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libyaml-syck-perl — vulnerability — patch and remediation guide

  • February 15, 2025
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 15 February 2025 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7844-1 Related CVEs: CVE-2025-11683 Upstream summary: It was discovered that YAML::Syck did not properly handle parsing YAML files. An attacker could possibly use this issue to expose sensitive information. Table […]

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Windows Server 2019 — KB5041023 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5041023 — security update — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5041023 • MSRC update-guide entry Related CVEs: CVE-2024-38081 Affected components: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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CentOS Stream 9 — microcode_ctl — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — microcode_ctl — multiple vulnerabilities (10 CVEs) — patch and remediation guide

  • February 15, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 15 February 2025 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2025:7043 Related CVEs: CVE-2024-28047 CVE-2024-31157 CVE-2024-39279 CVE-2023-22655 CVE-2023-28746 CVE-2023-38575 CVE-2023-39368 CVE-2023-43490  +2 more Upstream summary: The microcode_ctl packages provide microcode updates for Intel and AMD processors. Security Fix(es): * microcode_ctl: Improper […]

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