MDVA-28511 Magento patch: accented letters hang Payflow payments

The MDVA-28511 Magento patch solves the issue when payments through Payflow Pro don't complete for customer names with accented letters.

This patch is available when the Magento Quality Patch (MQP) tool 1.0.14 is installed. Please note that the issue was fixed in Magento version 2.3.6.

Affected products and versions

The patch is created for Magento version:
Magento Commerce Cloud 2.3.5-p1

Compatible with Magento versions:
Magento Commerce Cloud and Magento Commerce 2.3.5 - 2.3.5-p2

Note: the patch might become applicable to other versions with new MQP tool releases. To check if the patch is compatible with your Magento version, run ./vendor/bin/magento-patches status.

Issue

Prerequisite:

Enable Payflow Pro credit card payment method.

Steps to reproduce:

1. Add a product to the cart and continue to the checkout page.
2. Set a customer name with accented letters. (Example: Ãtienne Ãillin)
3. Continue to the payment steps.
4. Select Payflow Pro as Credit Card  and fill in the credit card details.
5. Click the Place Order button.

Expected results:

The order completes without any issue, as expected.

Actual results:

The order does not complete and logs will show a similar error as this example:

[2020-06-12 07:50:23] report.CRITICAL: String to be escaped was not valid UTF-8 or could not be converted: �?tienne �?illini [] []

Apply the patch

To apply individual patches use the following links depending on your Magento product:

• Magento Commerce: DevDocs Software Update Guide > Apply Patches.
• Magento Commerce Cloud: DevDocs Upgrades and Patches > Apply Patches.

Related reading

To learn more about Magento Quality Patches, refer to:

• Magento Quality Patches released: a new tool to self-serve quality patches.
• Check patch for Magento issue with Magento Quality Patches.

For info about other patches available in MQP tool, refer to the Patches available in MQP tool section.