CVE ID:	CVE-2019-10691
Description:	The JSON encoder in Dovecot before 2.3.5.2 allows attackers to repeatedly crash the authentication service by attempting to authenticate with an invalid UTF-8 sequence as the username.
Test IDs:	1.3.6.1.4.1.25623.1.0.113379   1.3.6.1.4.1.25623.1.0.852466   1.3.6.1.4.1.25623.1.1.4.2019.0997.1   1.3.6.1.4.1.25623.1.0.843982
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2019-10691 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/ https://security.gentoo.org/glsa/201908-29 https://dovecot.org/list/dovecot-news/2019-April/000406.html http://www.openwall.com/lists/oss-security/2019/04/18/3 SuSE Security Announcement: openSUSE-SU-2019:1312 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00000.html