[NPM] [Vulnerability] Resolve CVE-2025-40909 in perl-base Library

[rayaisaiah]

Reason for Change:
Resolves CVE-2025-40909 in the perl-base library in NPM base Ubuntu image.

v1.6.32 (Current NPM Image):

mcr.microsoft.com/containernetworking/azure-npm:v1.6.32 (ubuntu 24.04)
======================================================================
Total: 1 (UNKNOWN: 0, LOW: 0, MEDIUM: 1, HIGH: 0, CRITICAL: 0)

┌───────────┬────────────────┬──────────┬────────┬─────────────────────┬─────────────────────┬────────────────────────────────────────────────────────────┐
│  Library  │ Vulnerability  │ Severity │ Status │  Installed Version  │    Fixed Version    │                           Title                            │
├───────────┼────────────────┼──────────┼────────┼─────────────────────┼─────────────────────┼────────────────────────────────────────────────────────────┤
│ perl-base │ CVE-2025-40909 │ MEDIUM   │ fixed  │ 5.38.2-3.2ubuntu0.1 │ 5.38.2-3.2ubuntu0.2 │ perl: Perl threads have a working directory race condition │
│           │                │          │        │                     │                     │ where file operations...                                   │
│           │                │          │        │                     │                     │ https://avd.aquasec.com/nvd/cve-2025-40909                 │
└───────────┴────────────────┴──────────┴────────┴─────────────────────┴─────────────────────┴────────────────────────────────────────────────────────────┘

CVE Fix:

acnpublic.azurecr.io/azure-npm:v1.6.33test2 (ubuntu 24.04)
==========================================================
Total: 0 (UNKNOWN: 0, LOW: 0, MEDIUM: 0, HIGH: 0, CRITICAL: 0)

Issue Fixed:

Requirements:

• uses conventional commit messages
• includes documentation
• adds unit tests
• relevant PR labels added

Notes:

[rayaisaiah]

/azp run Azure Container Networking PR, NPM Scale Test, NPM Conformance Tests

[Copilot]

Pull Request Overview

This PR addresses a security vulnerability (CVE-2025-40909) in the perl-base library within the NPM Docker image by upgrading to a patched version and simplifying the package installation.

• Updates perl-base from version 5.38.2-3.2ubuntu0.1 to 5.38.2-3.2ubuntu0.2 to resolve CVE-2025-40909
• Removes several system library packages from the Docker installation to streamline the image
• Standardizes Dockerfile syntax by capitalizing the AS keyword

[azure-pipelines]

Azure Pipelines successfully started running 3 pipeline(s).