USN-4256-1

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-4256-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4256-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-4256-1
Upstream
Related
Published
2020-01-28T13:00:48.135083Z
Modified
2025-10-13T04:35:03Z
Summary
cyrus-sasl2 vulnerability
Details

It was discovered that Cyrus SASL incorrectly handled certain LDAP packets. An attacker could possibly use this issue to execute arbitrary code or cause a denial of service.

References

Affected packages

Ubuntu:Pro:14.04:LTS / cyrus-sasl2

Package

Name
cyrus-sasl2
Purl
pkg:deb/ubuntu/cyrus-sasl2@2.1.25.dfsg1-17ubuntu0.1~esm1?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.1.25.dfsg1-17ubuntu0.1~esm1

Affected versions

2.*

2.1.25.dfsg1-17
2.1.25.dfsg1-17build1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "2.1.25.dfsg1-17ubuntu0.1~esm1",
            "binary_name": "libsasl2-2"
        },
        {
            "binary_version": "2.1.25.dfsg1-17ubuntu0.1~esm1",
            "binary_name": "libsasl2-dev"
        },
        {
            "binary_version": "2.1.25.dfsg1-17ubuntu0.1~esm1",
            "binary_name": "libsasl2-modules"
        },
        {
            "binary_version": "2.1.25.dfsg1-17ubuntu0.1~esm1",
            "binary_name": "libsasl2-modules-db"
        },
        {
            "binary_version": "2.1.25.dfsg1-17ubuntu0.1~esm1",
            "binary_name": "libsasl2-modules-gssapi-heimdal"
        },
        {
            "binary_version": "2.1.25.dfsg1-17ubuntu0.1~esm1",
            "binary_name": "libsasl2-modules-gssapi-mit"
        },
        {
            "binary_version": "2.1.25.dfsg1-17ubuntu0.1~esm1",
            "binary_name": "libsasl2-modules-ldap"
        },
        {
            "binary_version": "2.1.25.dfsg1-17ubuntu0.1~esm1",
            "binary_name": "libsasl2-modules-otp"
        },
        {
            "binary_version": "2.1.25.dfsg1-17ubuntu0.1~esm1",
            "binary_name": "libsasl2-modules-sql"
        },
        {
            "binary_version": "2.1.25.dfsg1-17ubuntu0.1~esm1",
            "binary_name": "sasl2-bin"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4256-1.json"

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2019-19906"
        }
    ],
    "ecosystem": "Ubuntu:Pro:14.04:LTS"
}

Ubuntu:16.04:LTS / cyrus-sasl2

Package

Name
cyrus-sasl2
Purl
pkg:deb/ubuntu/cyrus-sasl2@2.1.26.dfsg1-14ubuntu0.2?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.1.26.dfsg1-14ubuntu0.2

Affected versions

2.*

2.1.26.dfsg1-14
2.1.26.dfsg1-14build1
2.1.26.dfsg1-14ubuntu0.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.1.26.dfsg1-14ubuntu0.2",
            "binary_name": "libsasl2-2"
        },
        {
            "binary_version": "2.1.26.dfsg1-14ubuntu0.2",
            "binary_name": "libsasl2-dev"
        },
        {
            "binary_version": "2.1.26.dfsg1-14ubuntu0.2",
            "binary_name": "libsasl2-modules"
        },
        {
            "binary_version": "2.1.26.dfsg1-14ubuntu0.2",
            "binary_name": "libsasl2-modules-db"
        },
        {
            "binary_version": "2.1.26.dfsg1-14ubuntu0.2",
            "binary_name": "libsasl2-modules-gssapi-heimdal"
        },
        {
            "binary_version": "2.1.26.dfsg1-14ubuntu0.2",
            "binary_name": "libsasl2-modules-gssapi-mit"
        },
        {
            "binary_version": "2.1.26.dfsg1-14ubuntu0.2",
            "binary_name": "libsasl2-modules-ldap"
        },
        {
            "binary_version": "2.1.26.dfsg1-14ubuntu0.2",
            "binary_name": "libsasl2-modules-otp"
        },
        {
            "binary_version": "2.1.26.dfsg1-14ubuntu0.2",
            "binary_name": "libsasl2-modules-sql"
        },
        {
            "binary_version": "2.1.26.dfsg1-14ubuntu0.2",
            "binary_name": "sasl2-bin"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4256-1.json"

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2019-19906"
        }
    ],
    "ecosystem": "Ubuntu:16.04:LTS"
}

Ubuntu:18.04:LTS / cyrus-sasl2

Package

Name
cyrus-sasl2
Purl
pkg:deb/ubuntu/cyrus-sasl2@2.1.27~101-g0780600+dfsg-3ubuntu2.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.1.27~101-g0780600+dfsg-3ubuntu2.1

Affected versions

2.*

2.1.27~101-g0780600+dfsg-3ubuntu1
2.1.27~101-g0780600+dfsg-3ubuntu2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.1.27~101-g0780600+dfsg-3ubuntu2.1",
            "binary_name": "libsasl2-2"
        },
        {
            "binary_version": "2.1.27~101-g0780600+dfsg-3ubuntu2.1",
            "binary_name": "libsasl2-dev"
        },
        {
            "binary_version": "2.1.27~101-g0780600+dfsg-3ubuntu2.1",
            "binary_name": "libsasl2-modules"
        },
        {
            "binary_version": "2.1.27~101-g0780600+dfsg-3ubuntu2.1",
            "binary_name": "libsasl2-modules-db"
        },
        {
            "binary_version": "2.1.27~101-g0780600+dfsg-3ubuntu2.1",
            "binary_name": "libsasl2-modules-gssapi-heimdal"
        },
        {
            "binary_version": "2.1.27~101-g0780600+dfsg-3ubuntu2.1",
            "binary_name": "libsasl2-modules-gssapi-mit"
        },
        {
            "binary_version": "2.1.27~101-g0780600+dfsg-3ubuntu2.1",
            "binary_name": "libsasl2-modules-ldap"
        },
        {
            "binary_version": "2.1.27~101-g0780600+dfsg-3ubuntu2.1",
            "binary_name": "libsasl2-modules-otp"
        },
        {
            "binary_version": "2.1.27~101-g0780600+dfsg-3ubuntu2.1",
            "binary_name": "libsasl2-modules-sql"
        },
        {
            "binary_version": "2.1.27~101-g0780600+dfsg-3ubuntu2.1",
            "binary_name": "sasl2-bin"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4256-1.json"

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2019-19906"
        }
    ],
    "ecosystem": "Ubuntu:18.04:LTS"
}