Ubuntu Security Notice 7126-1 - It was discovered that libsoup ignored certain characters at the end of header names. A remote attacker could possibly use this issue to perform a HTTP request smuggling attack. It was discovered that libsoup did not correctly handle memory while performing UTF-8 conversions. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. It was discovered that libsoup could enter an infinite loop when reading certain websocket data. An attacker could possibly use this issue to cause a denial of service.