libcurl keeps previously used connections in a connection pool for subsequenttransfers to reuse, if one of them matches the setup.Due to errors in the logic, the config matching function did not take 'issuercert' into account and it compare…

{
                    "product": "https://github.com/curl/curl",
                    "vendor": "n/a",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "curl 7.10.4 to and include curl 7.77.0"
                        }
                    ]
                }