Ubuntu Security Notice 4065-1 - It was discovered that Squid incorrectly handled Digest authentication. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. It was discovered that Squid incorrectly handled Basic authentication. A remote attacker could use this issue to cause Squid to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 19.04. Various other issues were also addressed.
a8539b3cc79beff6e700e8c2b6380ce9def258a5a3fd8be174cc49a7546e02ba