UBUNTU-CVE-2026-56968

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Source
https://ubuntu.com/security/CVE-2026-56968
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-56968.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-56968
Upstream
  • CVE-2026-56968
Published
2026-06-23T17:17:00Z
Modified
2026-06-30T18:18:01Z
Severity
  • 3.7 (Low) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

GNU SASL before 2.2.4 lacks sanitization of a short challenge in _gsasl_ntlm_client_step in the NTLM client, which could result in memory disclosure via a crafted server.

References

Affected packages

Ubuntu:24.04:LTS
gsasl

Package

Name
gsasl
Purl
pkg:deb/ubuntu/gsasl?arch=source&distro=noble

Affected ranges

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

Affected versions

2.*
2.2.0-2ubuntu1
2.2.0-2ubuntu2
2.2.1-1ubuntu1
2.2.1-1willsync1
2.2.1-1willsync1build1
2.2.1-1willsync1build2
2.2.1-1willsync1ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gsasl",
            "binary_version": "2.2.1-1willsync1ubuntu0.1"
        },
        {
            "binary_name": "gsasl-common",
            "binary_version": "2.2.1-1willsync1ubuntu0.1"
        },
        {
            "binary_name": "libgsasl18",
            "binary_version": "2.2.1-1willsync1ubuntu0.1"
        }
    ],
    "priority_reason": "This has been rated as being a low severity issue"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-56968.json"
Ubuntu:25.10
gsasl

Package

Name
gsasl
Purl
pkg:deb/ubuntu/gsasl?arch=source&distro=questing

Affected ranges

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

Affected versions

2.*
2.2.1-1willsync1ubuntu1
2.2.2-2ubuntu1
2.2.2-2ubuntu1.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gsasl",
            "binary_version": "2.2.2-2ubuntu1.1"
        },
        {
            "binary_name": "gsasl-common",
            "binary_version": "2.2.2-2ubuntu1.1"
        },
        {
            "binary_name": "libgsasl18",
            "binary_version": "2.2.2-2ubuntu1.1"
        }
    ],
    "priority_reason": "This has been rated as being a low severity issue"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-56968.json"
Ubuntu:26.04:LTS
gsasl

Package

Name
gsasl
Purl
pkg:deb/ubuntu/gsasl?arch=source&distro=resolute

Affected ranges

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

Affected versions

2.*
2.2.2-2ubuntu1
2.2.2-4ubuntu1
2.2.2-4ubuntu1.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gsasl",
            "binary_version": "2.2.2-4ubuntu1.1"
        },
        {
            "binary_name": "gsasl-common",
            "binary_version": "2.2.2-4ubuntu1.1"
        },
        {
            "binary_name": "libgsasl18",
            "binary_version": "2.2.2-4ubuntu1.1"
        }
    ],
    "priority_reason": "This has been rated as being a low severity issue"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-56968.json"
Ubuntu:Pro:14.04:LTS
gsasl

Package

Name
gsasl
Purl
pkg:deb/ubuntu/gsasl?arch=source&distro=esm-infra-legacy%2Ftrusty

Affected ranges

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

Affected versions

1.*
1.8.0-2ubuntu1
1.8.0-2ubuntu2
1.8.0-2ubuntu2+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gsasl",
            "binary_version": "1.8.0-2ubuntu2+esm1"
        },
        {
            "binary_name": "libgsasl7",
            "binary_version": "1.8.0-2ubuntu2+esm1"
        }
    ],
    "priority_reason": "This has been rated as being a low severity issue"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-56968.json"
Ubuntu:Pro:16.04:LTS
gsasl

Package

Name
gsasl
Purl
pkg:deb/ubuntu/gsasl?arch=source&distro=esm-apps%2Fxenial

Affected ranges

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

Affected versions

1.*
1.8.0-8ubuntu1
1.8.0-8ubuntu2
1.8.0-8ubuntu2+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gsasl",
            "binary_version": "1.8.0-8ubuntu2+esm1"
        },
        {
            "binary_name": "libgsasl7",
            "binary_version": "1.8.0-8ubuntu2+esm1"
        }
    ],
    "priority_reason": "This has been rated as being a low severity issue"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-56968.json"
Ubuntu:Pro:18.04:LTS
gsasl

Package

Name
gsasl
Purl
pkg:deb/ubuntu/gsasl?arch=source&distro=esm-apps%2Fbionic

Affected ranges

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

Affected versions

1.*
1.8.0-8ubuntu3
1.8.0-8ubuntu3+esm2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gsasl",
            "binary_version": "1.8.0-8ubuntu3+esm2"
        },
        {
            "binary_name": "libgsasl7",
            "binary_version": "1.8.0-8ubuntu3+esm2"
        }
    ],
    "priority_reason": "This has been rated as being a low severity issue"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-56968.json"
Ubuntu:Pro:20.04:LTS
gsasl

Package

Name
gsasl
Purl
pkg:deb/ubuntu/gsasl?arch=source&distro=esm-apps%2Ffocal

Affected ranges

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

Affected versions

1.*
1.8.0-8ubuntu3
1.8.1-1
1.8.1-1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gsasl",
            "binary_version": "1.8.1-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "libgsasl7",
            "binary_version": "1.8.1-1ubuntu0.1~esm1"
        }
    ],
    "priority_reason": "This has been rated as being a low severity issue"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-56968.json"
Ubuntu:Pro:22.04:LTS
gsasl

Package

Name
gsasl
Purl
pkg:deb/ubuntu/gsasl?arch=source&distro=esm-apps%2Fjammy

Affected ranges

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

Affected versions

1.*
1.10.0-4
1.10.0-5
1.10.0-5ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gsasl",
            "binary_version": "1.10.0-5ubuntu0.1~esm1"
        },
        {
            "binary_name": "gsasl-common",
            "binary_version": "1.10.0-5ubuntu0.1~esm1"
        },
        {
            "binary_name": "libgsasl7",
            "binary_version": "1.10.0-5ubuntu0.1~esm1"
        }
    ],
    "priority_reason": "This has been rated as being a low severity issue"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-56968.json"