What are the security risks associated with using base images from public registries?

beginner

Re-explain

Public base images can introduce several security risks:

Vulnerable Dependencies: Images may contain outdated packages with known CVEs
Malicious Code: Unverified images might contain backdoors or malware
Supply Chain Attacks: Compromised upstream images can affect downstream applications
Unnecessary Components: Bloated images increase attack surface
Lack of Maintenance: Abandoned images won't receive security updates
Mitigation: Use official images, verify image signatures, scan for vulnerabilities, and regularly update base images.

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