kin-openapi openapi3filter: nil-pointer panic in ValidateResponse on a response header declared with content
A vulnerability in the kin-openapi library, specifically in the openapi3filter package, can cause a nil-pointer panic when validating a response header declared with 'content' instead of 'schema'. This affects versions up to and including v0.145.0. The vulnerability can lead to a process crash, and in certain scenarios, it can be triggered remotely, making it a significant concern for applications using this library.