DescriptionA vulnerability was found in the Moby Builder Toolkit. A malicious BuildKit client or any frontend that can craft a request could lead to the BuildKit daemon crashing with a panic due to the lack of input validation. A frontend is usually specified as the #syntax line on a Dockerfile or with the --frontend flag when using the buildctl build command.A vulnerability was found in the Moby Builder Toolkit. A malicious BuildKit client or any frontend that can craft a request could lead to the BuildKit daemon crashing with a panic due to the lack of input validation. A frontend is usually specified as the #syntax line on a Dockerfile or with the --frontend flag when using the buildctl build command.