Dovecot: >> Dovecot >> 2.2.21.2.2 Security Vulnerabilities
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
A flaw was found in dovecot 2.0 up to 2.2.33 and 2.3.0. An abort of SASL authentication results in a memory leak in dovecot's auth client used by login processes. The leak has impact in high performance configuration where same login processes are reused and can cause the process to crash due to memory exhaustion.
CVSS Score
7.5
EPSS Score
0.028
Published
2018-01-25
The auth component in Dovecot before 2.2.27, when auth-policy is configured, allows a remote attackers to cause a denial of service (crash) by aborting authentication without setting a username.
CVSS Score
5.9
EPSS Score
0.094
Published
2017-02-17
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