UBUNTU-CVE-2025-59032

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Source
https://ubuntu.com/security/CVE-2025-59032
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-59032.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2025-59032
Upstream
Downstream
Related
Published
2026-03-27T00:00:00Z
Modified
2026-04-22T19:58:01.106923Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

ManageSieve AUTHENTICATE command crashes when using literal as SASL initial response. This can be used to crash ManageSieve service repeatedly, making it unavailable for other users. Control access to ManageSieve port, or disable the service if it's not needed. Alternatively upgrade to a fixed version. No publicly available exploits are known.

References

Affected packages

Ubuntu:16.04:LTS
dovecot

Package

Name
dovecot
Purl
pkg:deb/ubuntu/dovecot@1:2.2.22-1ubuntu2.14?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:2.*
1:2.2.18-2ubuntu2
1:2.2.22-1ubuntu1
1:2.2.22-1ubuntu2
1:2.2.22-1ubuntu2.1
1:2.2.22-1ubuntu2.2
1:2.2.22-1ubuntu2.3
1:2.2.22-1ubuntu2.4
1:2.2.22-1ubuntu2.6
1:2.2.22-1ubuntu2.7
1:2.2.22-1ubuntu2.8
1:2.2.22-1ubuntu2.9
1:2.2.22-1ubuntu2.10
1:2.2.22-1ubuntu2.11
1:2.2.22-1ubuntu2.12
1:2.2.22-1ubuntu2.13
1:2.2.22-1ubuntu2.14

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:2.2.22-1ubuntu2.14",
            "binary_name": "dovecot-core"
        },
        {
            "binary_version": "1:2.2.22-1ubuntu2.14",
            "binary_name": "dovecot-gssapi"
        },
        {
            "binary_version": "1:2.2.22-1ubuntu2.14",
            "binary_name": "dovecot-imapd"
        },
        {
            "binary_version": "1:2.2.22-1ubuntu2.14",
            "binary_name": "dovecot-ldap"
        },
        {
            "binary_version": "1:2.2.22-1ubuntu2.14",
            "binary_name": "dovecot-lmtpd"
        },
        {
            "binary_version": "1:2.2.22-1ubuntu2.14",
            "binary_name": "dovecot-lucene"
        },
        {
            "binary_version": "1:2.2.22-1ubuntu2.14",
            "binary_name": "dovecot-managesieved"
        },
        {
            "binary_version": "1:2.2.22-1ubuntu2.14",
            "binary_name": "dovecot-mysql"
        },
        {
            "binary_version": "1:2.2.22-1ubuntu2.14",
            "binary_name": "dovecot-pgsql"
        },
        {
            "binary_version": "1:2.2.22-1ubuntu2.14",
            "binary_name": "dovecot-pop3d"
        },
        {
            "binary_version": "1:2.2.22-1ubuntu2.14",
            "binary_name": "dovecot-sieve"
        },
        {
            "binary_version": "1:2.2.22-1ubuntu2.14",
            "binary_name": "dovecot-solr"
        },
        {
            "binary_version": "1:2.2.22-1ubuntu2.14",
            "binary_name": "dovecot-sqlite"
        },
        {
            "binary_version": "1:2.2.22-1ubuntu2.14",
            "binary_name": "mail-stack-delivery"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-59032.json"
Ubuntu:18.04:LTS
dovecot

Package

Name
dovecot
Purl
pkg:deb/ubuntu/dovecot@1:2.2.33.2-1ubuntu4.8?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:2.*
1:2.2.27-3ubuntu1
1:2.2.33.2-1ubuntu1
1:2.2.33.2-1ubuntu2
1:2.2.33.2-1ubuntu3
1:2.2.33.2-1ubuntu4
1:2.2.33.2-1ubuntu4.1
1:2.2.33.2-1ubuntu4.2
1:2.2.33.2-1ubuntu4.3
1:2.2.33.2-1ubuntu4.4
1:2.2.33.2-1ubuntu4.5
1:2.2.33.2-1ubuntu4.6
1:2.2.33.2-1ubuntu4.7
1:2.2.33.2-1ubuntu4.8

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:2.2.33.2-1ubuntu4.8",
            "binary_name": "dovecot-core"
        },
        {
            "binary_version": "1:2.2.33.2-1ubuntu4.8",
            "binary_name": "dovecot-gssapi"
        },
        {
            "binary_version": "1:2.2.33.2-1ubuntu4.8",
            "binary_name": "dovecot-imapd"
        },
        {
            "binary_version": "1:2.2.33.2-1ubuntu4.8",
            "binary_name": "dovecot-ldap"
        },
        {
            "binary_version": "1:2.2.33.2-1ubuntu4.8",
            "binary_name": "dovecot-lmtpd"
        },
        {
            "binary_version": "1:2.2.33.2-1ubuntu4.8",
            "binary_name": "dovecot-managesieved"
        },
        {
            "binary_version": "1:2.2.33.2-1ubuntu4.8",
            "binary_name": "dovecot-mysql"
        },
        {
            "binary_version": "1:2.2.33.2-1ubuntu4.8",
            "binary_name": "dovecot-pgsql"
        },
        {
            "binary_version": "1:2.2.33.2-1ubuntu4.8",
            "binary_name": "dovecot-pop3d"
        },
        {
            "binary_version": "1:2.2.33.2-1ubuntu4.8",
            "binary_name": "dovecot-sieve"
        },
        {
            "binary_version": "1:2.2.33.2-1ubuntu4.8",
            "binary_name": "dovecot-solr"
        },
        {
            "binary_version": "1:2.2.33.2-1ubuntu4.8",
            "binary_name": "dovecot-sqlite"
        },
        {
            "binary_version": "1:2.2.33.2-1ubuntu4.8",
            "binary_name": "mail-stack-delivery"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-59032.json"
Ubuntu:20.04:LTS
dovecot

Package

Name
dovecot
Purl
pkg:deb/ubuntu/dovecot@1:2.3.7.2-1ubuntu3.7?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:2.*
1:2.3.4.1-5ubuntu3
1:2.3.7.2-1ubuntu1
1:2.3.7.2-1ubuntu2
1:2.3.7.2-1ubuntu3
1:2.3.7.2-1ubuntu3.1
1:2.3.7.2-1ubuntu3.2
1:2.3.7.2-1ubuntu3.3
1:2.3.7.2-1ubuntu3.4
1:2.3.7.2-1ubuntu3.5
1:2.3.7.2-1ubuntu3.6
1:2.3.7.2-1ubuntu3.7

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:2.3.7.2-1ubuntu3.7",
            "binary_name": "dovecot-auth-lua"
        },
        {
            "binary_version": "1:2.3.7.2-1ubuntu3.7",
            "binary_name": "dovecot-core"
        },
        {
            "binary_version": "1:2.3.7.2-1ubuntu3.7",
            "binary_name": "dovecot-gssapi"
        },
        {
            "binary_version": "1:2.3.7.2-1ubuntu3.7",
            "binary_name": "dovecot-imapd"
        },
        {
            "binary_version": "1:2.3.7.2-1ubuntu3.7",
            "binary_name": "dovecot-ldap"
        },
        {
            "binary_version": "1:2.3.7.2-1ubuntu3.7",
            "binary_name": "dovecot-lmtpd"
        },
        {
            "binary_version": "1:2.3.7.2-1ubuntu3.7",
            "binary_name": "dovecot-lucene"
        },
        {
            "binary_version": "1:2.3.7.2-1ubuntu3.7",
            "binary_name": "dovecot-managesieved"
        },
        {
            "binary_version": "1:2.3.7.2-1ubuntu3.7",
            "binary_name": "dovecot-mysql"
        },
        {
            "binary_version": "1:2.3.7.2-1ubuntu3.7",
            "binary_name": "dovecot-pgsql"
        },
        {
            "binary_version": "1:2.3.7.2-1ubuntu3.7",
            "binary_name": "dovecot-pop3d"
        },
        {
            "binary_version": "1:2.3.7.2-1ubuntu3.7",
            "binary_name": "dovecot-sieve"
        },
        {
            "binary_version": "1:2.3.7.2-1ubuntu3.7",
            "binary_name": "dovecot-solr"
        },
        {
            "binary_version": "1:2.3.7.2-1ubuntu3.7",
            "binary_name": "dovecot-sqlite"
        },
        {
            "binary_version": "1:2.3.7.2-1ubuntu3.7",
            "binary_name": "dovecot-submissiond"
        },
        {
            "binary_version": "1:2.3.7.2-1ubuntu3.7",
            "binary_name": "mail-stack-delivery"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-59032.json"
Ubuntu:22.04:LTS
dovecot

Package

Name
dovecot
Purl
pkg:deb/ubuntu/dovecot@1:2.3.16+dfsg1-3ubuntu2.7?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:2.3.16+dfsg1-3ubuntu2.7

Affected versions

1:2.*
1:2.3.13+dfsg1-1ubuntu3
1:2.3.16+dfsg1-3ubuntu1
1:2.3.16+dfsg1-3ubuntu2
1:2.3.16+dfsg1-3ubuntu2.1
1:2.3.16+dfsg1-3ubuntu2.2
1:2.3.16+dfsg1-3ubuntu2.4
1:2.3.16+dfsg1-3ubuntu2.6

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1:2.3.16+dfsg1-3ubuntu2.7",
            "binary_name": "dovecot-auth-lua"
        },
        {
            "binary_version": "1:2.3.16+dfsg1-3ubuntu2.7",
            "binary_name": "dovecot-core"
        },
        {
            "binary_version": "1:2.3.16+dfsg1-3ubuntu2.7",
            "binary_name": "dovecot-gssapi"
        },
        {
            "binary_version": "1:2.3.16+dfsg1-3ubuntu2.7",
            "binary_name": "dovecot-imapd"
        },
        {
            "binary_version": "1:2.3.16+dfsg1-3ubuntu2.7",
            "binary_name": "dovecot-ldap"
        },
        {
            "binary_version": "1:2.3.16+dfsg1-3ubuntu2.7",
            "binary_name": "dovecot-lmtpd"
        },
        {
            "binary_version": "1:2.3.16+dfsg1-3ubuntu2.7",
            "binary_name": "dovecot-lucene"
        },
        {
            "binary_version": "1:2.3.16+dfsg1-3ubuntu2.7",
            "binary_name": "dovecot-managesieved"
        },
        {
            "binary_version": "1:2.3.16+dfsg1-3ubuntu2.7",
            "binary_name": "dovecot-mysql"
        },
        {
            "binary_version": "1:2.3.16+dfsg1-3ubuntu2.7",
            "binary_name": "dovecot-pgsql"
        },
        {
            "binary_version": "1:2.3.16+dfsg1-3ubuntu2.7",
            "binary_name": "dovecot-pop3d"
        },
        {
            "binary_version": "1:2.3.16+dfsg1-3ubuntu2.7",
            "binary_name": "dovecot-sieve"
        },
        {
            "binary_version": "1:2.3.16+dfsg1-3ubuntu2.7",
            "binary_name": "dovecot-solr"
        },
        {
            "binary_version": "1:2.3.16+dfsg1-3ubuntu2.7",
            "binary_name": "dovecot-sqlite"
        },
        {
            "binary_version": "1:2.3.16+dfsg1-3ubuntu2.7",
            "binary_name": "dovecot-submissiond"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-59032.json"
Ubuntu:24.04:LTS
dovecot

Package

Name
dovecot
Purl
pkg:deb/ubuntu/dovecot@1:2.3.21+dfsg1-2ubuntu6.3?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:2.3.21+dfsg1-2ubuntu6.3

Affected versions

1:2.*
1:2.3.20+dfsg1-1ubuntu3
1:2.3.21+dfsg1-2ubuntu1
1:2.3.21+dfsg1-2ubuntu2
1:2.3.21+dfsg1-2ubuntu4
1:2.3.21+dfsg1-2ubuntu5
1:2.3.21+dfsg1-2ubuntu6
1:2.3.21+dfsg1-2ubuntu6.1
1:2.3.21+dfsg1-2ubuntu6.2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1:2.3.21+dfsg1-2ubuntu6.3",
            "binary_name": "dovecot-auth-lua"
        },
        {
            "binary_version": "1:2.3.21+dfsg1-2ubuntu6.3",
            "binary_name": "dovecot-core"
        },
        {
            "binary_version": "1:2.3.21+dfsg1-2ubuntu6.3",
            "binary_name": "dovecot-gssapi"
        },
        {
            "binary_version": "1:2.3.21+dfsg1-2ubuntu6.3",
            "binary_name": "dovecot-imapd"
        },
        {
            "binary_version": "1:2.3.21+dfsg1-2ubuntu6.3",
            "binary_name": "dovecot-ldap"
        },
        {
            "binary_version": "1:2.3.21+dfsg1-2ubuntu6.3",
            "binary_name": "dovecot-lmtpd"
        },
        {
            "binary_version": "1:2.3.21+dfsg1-2ubuntu6.3",
            "binary_name": "dovecot-managesieved"
        },
        {
            "binary_version": "1:2.3.21+dfsg1-2ubuntu6.3",
            "binary_name": "dovecot-mysql"
        },
        {
            "binary_version": "1:2.3.21+dfsg1-2ubuntu6.3",
            "binary_name": "dovecot-pgsql"
        },
        {
            "binary_version": "1:2.3.21+dfsg1-2ubuntu6.3",
            "binary_name": "dovecot-pop3d"
        },
        {
            "binary_version": "1:2.3.21+dfsg1-2ubuntu6.3",
            "binary_name": "dovecot-sieve"
        },
        {
            "binary_version": "1:2.3.21+dfsg1-2ubuntu6.3",
            "binary_name": "dovecot-solr"
        },
        {
            "binary_version": "1:2.3.21+dfsg1-2ubuntu6.3",
            "binary_name": "dovecot-sqlite"
        },
        {
            "binary_version": "1:2.3.21+dfsg1-2ubuntu6.3",
            "binary_name": "dovecot-submissiond"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-59032.json"
Ubuntu:25.10
dovecot

Package

Name
dovecot
Purl
pkg:deb/ubuntu/dovecot@1:2.4.1+dfsg1-5ubuntu4.1?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:2.4.1+dfsg1-5ubuntu4.1

Affected versions

1:2.*
1:2.3.21.1+dfsg1-1ubuntu2
1:2.4.1+dfsg1-5ubuntu1
1:2.4.1+dfsg1-5ubuntu3
1:2.4.1+dfsg1-5ubuntu4

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1:2.4.1+dfsg1-5ubuntu4.1",
            "binary_name": "dovecot-auth-lua"
        },
        {
            "binary_version": "1:2.4.1+dfsg1-5ubuntu4.1",
            "binary_name": "dovecot-core"
        },
        {
            "binary_version": "1:2.4.1+dfsg1-5ubuntu4.1",
            "binary_name": "dovecot-flatcurve"
        },
        {
            "binary_version": "1:2.4.1+dfsg1-5ubuntu4.1",
            "binary_name": "dovecot-gssapi"
        },
        {
            "binary_version": "1:2.4.1+dfsg1-5ubuntu4.1",
            "binary_name": "dovecot-imapd"
        },
        {
            "binary_version": "1:2.4.1+dfsg1-5ubuntu4.1",
            "binary_name": "dovecot-ldap"
        },
        {
            "binary_version": "1:2.4.1+dfsg1-5ubuntu4.1",
            "binary_name": "dovecot-lmtpd"
        },
        {
            "binary_version": "1:2.4.1+dfsg1-5ubuntu4.1",
            "binary_name": "dovecot-managesieved"
        },
        {
            "binary_version": "1:2.4.1+dfsg1-5ubuntu4.1",
            "binary_name": "dovecot-mysql"
        },
        {
            "binary_version": "1:2.4.1+dfsg1-5ubuntu4.1",
            "binary_name": "dovecot-pgsql"
        },
        {
            "binary_version": "1:2.4.1+dfsg1-5ubuntu4.1",
            "binary_name": "dovecot-pop3d"
        },
        {
            "binary_version": "1:2.4.1+dfsg1-5ubuntu4.1",
            "binary_name": "dovecot-sieve"
        },
        {
            "binary_version": "1:2.4.1+dfsg1-5ubuntu4.1",
            "binary_name": "dovecot-solr"
        },
        {
            "binary_version": "1:2.4.1+dfsg1-5ubuntu4.1",
            "binary_name": "dovecot-sqlite"
        },
        {
            "binary_version": "1:2.4.1+dfsg1-5ubuntu4.1",
            "binary_name": "dovecot-submissiond"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-59032.json"
Ubuntu:Pro:14.04:LTS
dovecot

Package

Name
dovecot
Purl
pkg:deb/ubuntu/dovecot@1:2.2.9-1ubuntu2.6+esm4?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:2.*
1:2.1.7-7ubuntu3
1:2.2.9-1ubuntu1
1:2.2.9-1ubuntu2
1:2.2.9-1ubuntu2.1
1:2.2.9-1ubuntu2.3
1:2.2.9-1ubuntu2.4
1:2.2.9-1ubuntu2.5
1:2.2.9-1ubuntu2.6
1:2.2.9-1ubuntu2.6+esm1
1:2.2.9-1ubuntu2.6+esm2
1:2.2.9-1ubuntu2.6+esm3
1:2.2.9-1ubuntu2.6+esm4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:2.2.9-1ubuntu2.6+esm4",
            "binary_name": "dovecot-core"
        },
        {
            "binary_version": "1:2.2.9-1ubuntu2.6+esm4",
            "binary_name": "dovecot-gssapi"
        },
        {
            "binary_version": "1:2.2.9-1ubuntu2.6+esm4",
            "binary_name": "dovecot-imapd"
        },
        {
            "binary_version": "1:2.2.9-1ubuntu2.6+esm4",
            "binary_name": "dovecot-ldap"
        },
        {
            "binary_version": "1:2.2.9-1ubuntu2.6+esm4",
            "binary_name": "dovecot-lmtpd"
        },
        {
            "binary_version": "1:2.2.9-1ubuntu2.6+esm4",
            "binary_name": "dovecot-managesieved"
        },
        {
            "binary_version": "1:2.2.9-1ubuntu2.6+esm4",
            "binary_name": "dovecot-mysql"
        },
        {
            "binary_version": "1:2.2.9-1ubuntu2.6+esm4",
            "binary_name": "dovecot-pgsql"
        },
        {
            "binary_version": "1:2.2.9-1ubuntu2.6+esm4",
            "binary_name": "dovecot-pop3d"
        },
        {
            "binary_version": "1:2.2.9-1ubuntu2.6+esm4",
            "binary_name": "dovecot-sieve"
        },
        {
            "binary_version": "1:2.2.9-1ubuntu2.6+esm4",
            "binary_name": "dovecot-solr"
        },
        {
            "binary_version": "1:2.2.9-1ubuntu2.6+esm4",
            "binary_name": "dovecot-sqlite"
        },
        {
            "binary_version": "1:2.2.9-1ubuntu2.6+esm4",
            "binary_name": "mail-stack-delivery"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-59032.json"