5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.7 High
AI Score
Confidence
High
0.004 Low
EPSS
Percentile
75.1%
It was discovered that the Dovecot JSON encoder incorrectly handled certain
invalid UTF-8 characters. A remote attacker could possibly use this issue
to cause Dovecot to repeatedly crash, resulting in a denial of service.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Ubuntu | 19.04 | noarch | dovecot-core | < 1:2.3.4.1-1ubuntu2.1 | UNKNOWN |
Ubuntu | 19.04 | noarch | dovecot-auth-lua | < 1:2.3.4.1-1ubuntu2.1 | UNKNOWN |
Ubuntu | 19.04 | noarch | dovecot-auth-lua-dbgsym | < 1:2.3.4.1-1ubuntu2.1 | UNKNOWN |
Ubuntu | 19.04 | noarch | dovecot-core-dbgsym | < 1:2.3.4.1-1ubuntu2.1 | UNKNOWN |
Ubuntu | 19.04 | noarch | dovecot-dev | < 1:2.3.4.1-1ubuntu2.1 | UNKNOWN |
Ubuntu | 19.04 | noarch | dovecot-gssapi | < 1:2.3.4.1-1ubuntu2.1 | UNKNOWN |
Ubuntu | 19.04 | noarch | dovecot-gssapi-dbgsym | < 1:2.3.4.1-1ubuntu2.1 | UNKNOWN |
Ubuntu | 19.04 | noarch | dovecot-imapd | < 1:2.3.4.1-1ubuntu2.1 | UNKNOWN |
Ubuntu | 19.04 | noarch | dovecot-imapd-dbgsym | < 1:2.3.4.1-1ubuntu2.1 | UNKNOWN |
Ubuntu | 19.04 | noarch | dovecot-ldap | < 1:2.3.4.1-1ubuntu2.1 | UNKNOWN |
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.7 High
AI Score
Confidence
High
0.004 Low
EPSS
Percentile
75.1%