A cleartext transmission of sensitive information vulnerability exists in curl <v7.88.0thatcouldcauseHSTSfunctionalityfailwhenmultipleURLsarerequestedserially.UsingitsHSTSsupport,curlcanbeinstructedtouseHTTPSinsteadofusinganinsecureclear-textHTTPstepevenwhenHTTPisprovidedintheURL.ThisHSTSmechanismwouldhoweversurprisinglybeignoredbysubsequenttransferswhendoneonthesamecommandlinebecausethestatewouldnotbeproperlycarriedon.