FreeBSD fetch(1) broken on SSL links?

I went to download Tarsnap on a FreeBSD 10.0-p12 machine, and got hit with this error:

# fetch https://www.tarsnap.com/download/tars...

Certificate verification failed for /C=GB/ST=Greater Manchester/L=Salford/O=COMODO CA Limited/CN=COMODO RSA Certification Authority

34380830376:error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed:/usr/src/secure/lib/libssl/../../../crypto/openssl/ssl/s3_clnt.c:1179:

fetch: https://www.tarsnap.com/download/tarsnap-...