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fix: prevent integer overflow in uint validation

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Sandro CURY CAZZANIGA
2026-01-07 15:10:51 +01:00
parent 8bdff51eed
commit 19aadc6fc8
1 changed files with 6 additions and 0 deletions
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6
internal/validation/validation.go
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@@ -325,6 +325,9 @@ func validateMin(fieldName string, v reflect.Value, param string) *ValidationErr
return &ValidationError{Field: fieldName, Message: fmt.Sprintf("%s must be at least %d", fieldName, min)}
}
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
if min < 0 {
return &ValidationError{Field: fieldName, Message: fieldName + " has invalid min parameter (must be non-negative)"}
}
if v.Uint() < uint64(min) {
return &ValidationError{Field: fieldName, Message: fmt.Sprintf("%s must be at least %d", fieldName, min)}
}
@@ -349,6 +352,9 @@ func validateMax(fieldName string, v reflect.Value, param string) *ValidationErr
return &ValidationError{Field: fieldName, Message: fmt.Sprintf("%s must be at most %d", fieldName, max)}
}
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
if max < 0 {
return &ValidationError{Field: fieldName, Message: fieldName + " has invalid max parameter (must be non-negative)"}
}
if v.Uint() > uint64(max) {
return &ValidationError{Field: fieldName, Message: fmt.Sprintf("%s must be at most %d", fieldName, max)}
}