jQuery 2.2.4 is vulnerable to prototype pollution

Bitbucket Server comes with jQuery version 2.2.4. This version of jQuery is vulnerable to a security bug CVE-2019-11358, https://nvd.nist.gov/vuln/detail/CVE-2019-11358 which is only fixed in jQuery 3.4.0...

AZL-41809 CVE-2019-11358 affecting package m2crypto for versions less than 0.38.0-4

jQuery before 3.4.0, as used in Drupal, Backdrop CMS, and other products, mishandles jQuery.extendtrue, , ... because of Object.prototype pollution. If an unsanitized source object contained an enumerable proto property, it could extend the native Object.prototype...

drupal -- Drupal core - Moderately critical

Drupal Security Team reports: CVE-2019-10909: Escape validation messages in the PHP templating engine. CVE-2019-10910: Check service IDs are valid. CVE-2019-10911: Add a separator in the remember me cookie hash. jQuery 3.4.0 includes a fix for some unintended behavior when using jQuery.extendtrue...