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ubuntuUbuntuUSN-3951-1
HistoryApr 23, 2019 - 12:00 a.m.

Dovecot vulnerability

2019-04-2300:00:00
ubuntu.com
77

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

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.004 Low

EPSS

Percentile

74.8%

JSON

Releases

  • Ubuntu 19.04
  • Ubuntu 18.10

Packages

  • dovecot - IMAP and POP3 email server

Details

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.

OSVersionArchitecturePackageVersionFilename
Ubuntu19.04noarchdovecot-core< 1:2.3.4.1-1ubuntu2.1UNKNOWN
Ubuntu19.04noarchdovecot-auth-lua< 1:2.3.4.1-1ubuntu2.1UNKNOWN
Ubuntu19.04noarchdovecot-auth-lua-dbgsym< 1:2.3.4.1-1ubuntu2.1UNKNOWN
Ubuntu19.04noarchdovecot-core-dbgsym< 1:2.3.4.1-1ubuntu2.1UNKNOWN
Ubuntu19.04noarchdovecot-dev< 1:2.3.4.1-1ubuntu2.1UNKNOWN
Ubuntu19.04noarchdovecot-gssapi< 1:2.3.4.1-1ubuntu2.1UNKNOWN
Ubuntu19.04noarchdovecot-gssapi-dbgsym< 1:2.3.4.1-1ubuntu2.1UNKNOWN
Ubuntu19.04noarchdovecot-imapd< 1:2.3.4.1-1ubuntu2.1UNKNOWN
Ubuntu19.04noarchdovecot-imapd-dbgsym< 1:2.3.4.1-1ubuntu2.1UNKNOWN
Ubuntu19.04noarchdovecot-ldap< 1:2.3.4.1-1ubuntu2.1UNKNOWN
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2021-07-02 16:38:52

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

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.004 Low

EPSS

Percentile

74.8%

JSON
Related for USN-3951-1
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