Using remote content in encrypted messages can lead to the disclosure of plaintext. This vulnerability affects Thunderbird ESR < 52.8 and Thunderbird < 52.8.Referenceshttps://access.redhat.com/errata/RHSA-2018:1726https://security.gentoo.org/glsa/201811-13https://www.mozilla.org/security/advisories/mfsa2018-13/https://usn.ubuntu.com/3660-1/http://www.securitytracker.com/id/1040946https://lists.debian.org/debian-lts-announce/2018/05/msg00013.htmlhttps://access.redhat.com/errata/RHSA-2018:1725https://www.debian.org/security/2018/dsa-4209https://bugzilla.mozilla.org/show_bug.cgi?id=1411592http://www.securityfocus.com/bid/104240
