Package: ca-certificates Version: 20200601~deb10u1 Some certificates seem to be missing in 20200601~deb10u1. The following command works in version 20190110 but stopped working in 20200601~deb10u1 .
curl https://static.gc.apple.com/public-key/3rd-party-auth-prod-19824d.cer This gives the output: curl: (60) SSL certificate problem: unable to get issuer certificate More details here: https://curl.haxx.se/docs/sslcerts.html curl failed to verify the legitimacy of the server and therefore could not establish a secure connection to it. To learn more about this situation and how to fix it, please visit the web page mentioned above.