CVE-2015-3420

dovecot: SSL/TLS handshake failures leading to a crash of the login process.

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Severity

Low

Red Hat Product Security

4.3

CVSS 2.0

Review impact separately from score.

Published · April 26, 2015

Updated · May 13, 2026

Description

The ssl-proxy-openssl.c function in Dovecot before 2.2.17, when SSLv3 is disabled, allow remote attackers to cause a denial of service (login process crash) via vectors related to handshake failures.

Statement

This issue did not affect the versions of dovecot as shipped with Red Hat Enterprise Linux 5, 6, and 7.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 2.0 · 4.3
AV:N/AC:M/Au:N/C:N/I:N/A:P

CWE-391 · Unchecked Error Condition