All versions of mail-mta/exim are affected. Example: # grep ^ranlib exim-4.80\:20121014-110735.log ranlib auths.a ranlib lookups.a ranlib routers.a ranlib transports.a ranlib pdkim.a # grep ^ar exim-4.80\:20121014-110735.log ar cq auths.a ar cq auths.a auth-spa.o b64decode.o b64encode.o call_pam.o call_pwcheck.o call_radius.o check_serv_cond.o cram_md5.o cyrus_sasl.o dovecot.o get_data.o get_no64_data.o gsasl_exim.o heimdal_gssapi.o md5.o plaintext.o pwcheck.o sha1.o spa.o xtextdecode.o xtextencode.o ar cq lookups.a ar cq routers.a ar cq transports.a ar cq pdkim.a ar cq pdkim.a base64.o bignum.o pdkim.o rsa.o sha1.o sha2.o
Fixed in 4.80.1