It was discovered that php-nyholm-psr7 incorrectly parsed HTTP headers. A remote attacker could possibly use this issue to perform an HTTP header injection attack.
{ "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro", "binaries": [ { "binary_version": "1.5.0-1ubuntu0.1~esm1", "binary_name": "php-nyholm-psr7" } ] }