Roundcube Webmail through 1.3.9 mishandles Punycode xn-- domain names, leading to homograph attacks.Referenceshttps://github.com/roundcube/roundcubemail/issues/6891https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TFFMSO5WKEYSGMTZPZFF4ZADUJ57PRN5/
