Dovecot: >> Dovecot >> 2.2.33.2 Security Vulnerabilities
It was discovered that Dovecot before versions 2.2.36.1 and 2.3.4.1 incorrectly handled client certificates. A remote attacker in possession of a valid certificate with an empty username field could possibly use this issue to impersonate other users.
CVSS Score
7.7
EPSS Score
0.016
Published
2019-03-27
A specially crafted email delivered over SMTP and passed on to Dovecot by MTA can trigger an out of bounds read resulting in potential sensitive information disclosure and denial of service. In order to trigger this vulnerability, an attacker needs to send a specially crafted email message to the server.
CVSS Score
5.9
EPSS Score
0.017
Published
2018-03-02
A denial of service flaw was found in dovecot before 2.2.34. An attacker able to generate random SNI server names could exploit TLS SNI configuration lookups, leading to excessive memory usage and the process to restart.
CVSS Score
5.9
EPSS Score
0.012
Published
2018-03-02
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