CVE-2019-10691 (NVD)

2019-04-24

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.

Products Dovecot, Leap
Type ? (NVD-CWE-noinfo)
First patch - None (likely due to unavailable code)
Links • http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00000.html
• https://dovecot.org/list/dovecot-news/2019-April/000406.html
• https://security.gentoo.org/glsa/201908-29
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/
• http://www.openwall.com/lists/oss-security/2019/04/18/3