A vulnerability was found in Roundcube Webmail through 1.3.9 mishandles Punycode xn-- domain names, leading to homograph attacks.
Created roundcubemail tracking bugs for this issue:
Affects: epel-all [bug 1747323]
Affects: fedora-all [bug 1747322]
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.