Review: Add field length validation for demographic inputs

Bug #79: Demographic Field Length Overflow

Severity: MEDIUM

Description

Demographic fields may accept input longer than database column limits, causing truncation or errors.

Vulnerable Code Location

• src/main/java/io/github/carlos_emr/carlos/commn/model/Demographic.java
• Input validation
• Field length checks

Impact

• Data truncation
• Application errors
• Data integrity issues
• Potential buffer issues

Recommended Fix

1. Implement field length validation:

@Size(max = 30, message = "Last name exceeds maximum length")
private String lastName;

2. Match validation to database column sizes
3. Add client-side length limits
4. Log truncation attempts
5. Display clear error messages

HIPAA/PIPEDA Compliance

Data integrity requirements.

Potential vulnerability identified from JunoEMR security analysis - requires verification in current CARLOS EMR codebase