USN-7992-1

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Source
https://ubuntu.com/security/notices/USN-7992-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7992-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-7992-1
Upstream
Related
Published
2026-02-02T12:58:39Z
Modified
2026-02-10T04:50:48Z
Summary
inetutils vulnerability
Details

Kyu Neushwaistein discovered that telnetd in Inetutils incorrectly handled certain environment variables. A remote attacker could use this issue to bypass authentication and open a session as an administrator.

References

Affected packages

Ubuntu:22.04:LTS / inetutils

Package

Name
inetutils
Purl
pkg:deb/ubuntu/inetutils@2:2.2-2ubuntu0.2?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:2.2-2ubuntu0.2

Affected versions

2:2.*
2:2.0-1
2:2.2-2
2:2.2-2ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2:2.2-2ubuntu0.2",
            "binary_name": "inetutils-ftp"
        },
        {
            "binary_version": "2:2.2-2ubuntu0.2",
            "binary_name": "inetutils-ftpd"
        },
        {
            "binary_version": "2:2.2-2ubuntu0.2",
            "binary_name": "inetutils-inetd"
        },
        {
            "binary_version": "2:2.2-2ubuntu0.2",
            "binary_name": "inetutils-ping"
        },
        {
            "binary_version": "2:2.2-2ubuntu0.2",
            "binary_name": "inetutils-syslogd"
        },
        {
            "binary_version": "2:2.2-2ubuntu0.2",
            "binary_name": "inetutils-talk"
        },
        {
            "binary_version": "2:2.2-2ubuntu0.2",
            "binary_name": "inetutils-talkd"
        },
        {
            "binary_version": "2:2.2-2ubuntu0.2",
            "binary_name": "inetutils-telnet"
        },
        {
            "binary_version": "2:2.2-2ubuntu0.2",
            "binary_name": "inetutils-telnetd"
        },
        {
            "binary_version": "2:2.2-2ubuntu0.2",
            "binary_name": "inetutils-tools"
        },
        {
            "binary_version": "2:2.2-2ubuntu0.2",
            "binary_name": "inetutils-traceroute"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:22.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2026-24061"
        }
    ]
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7992-1.json"

Ubuntu:24.04:LTS / inetutils

Package

Name
inetutils
Purl
pkg:deb/ubuntu/inetutils@2:2.5-3ubuntu4.1?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:2.5-3ubuntu4.1

Affected versions

2:2.*
2:2.4-2ubuntu2
2:2.4-3ubuntu1
2:2.5-3ubuntu1
2:2.5-3ubuntu3
2:2.5-3ubuntu4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2:2.5-3ubuntu4.1",
            "binary_name": "inetutils-ftp"
        },
        {
            "binary_version": "2:2.5-3ubuntu4.1",
            "binary_name": "inetutils-ftpd"
        },
        {
            "binary_version": "2:2.5-3ubuntu4.1",
            "binary_name": "inetutils-inetd"
        },
        {
            "binary_version": "2:2.5-3ubuntu4.1",
            "binary_name": "inetutils-ping"
        },
        {
            "binary_version": "2:2.5-3ubuntu4.1",
            "binary_name": "inetutils-syslogd"
        },
        {
            "binary_version": "2:2.5-3ubuntu4.1",
            "binary_name": "inetutils-talk"
        },
        {
            "binary_version": "2:2.5-3ubuntu4.1",
            "binary_name": "inetutils-talkd"
        },
        {
            "binary_version": "2:2.5-3ubuntu4.1",
            "binary_name": "inetutils-telnet"
        },
        {
            "binary_version": "2:2.5-3ubuntu4.1",
            "binary_name": "inetutils-telnetd"
        },
        {
            "binary_version": "2:2.5-3ubuntu4.1",
            "binary_name": "inetutils-tools"
        },
        {
            "binary_version": "2:2.5-3ubuntu4.1",
            "binary_name": "inetutils-traceroute"
        },
        {
            "binary_version": "0.17+2.5-3ubuntu4.1",
            "binary_name": "telnet"
        },
        {
            "binary_version": "0.17+2.5-3ubuntu4.1",
            "binary_name": "telnetd"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:24.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2026-24061"
        }
    ]
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7992-1.json"

Ubuntu:25.10 / inetutils

Package

Name
inetutils
Purl
pkg:deb/ubuntu/inetutils@2:2.6-1ubuntu3.1?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:2.6-1ubuntu3.1

Affected versions

2:2.*
2:2.5-6ubuntu1
2:2.6-1ubuntu1
2:2.6-1ubuntu3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2:2.6-1ubuntu3.1",
            "binary_name": "inetutils-ftp"
        },
        {
            "binary_version": "2:2.6-1ubuntu3.1",
            "binary_name": "inetutils-ftpd"
        },
        {
            "binary_version": "2:2.6-1ubuntu3.1",
            "binary_name": "inetutils-inetd"
        },
        {
            "binary_version": "2:2.6-1ubuntu3.1",
            "binary_name": "inetutils-ping"
        },
        {
            "binary_version": "2:2.6-1ubuntu3.1",
            "binary_name": "inetutils-syslogd"
        },
        {
            "binary_version": "2:2.6-1ubuntu3.1",
            "binary_name": "inetutils-talk"
        },
        {
            "binary_version": "2:2.6-1ubuntu3.1",
            "binary_name": "inetutils-talkd"
        },
        {
            "binary_version": "2:2.6-1ubuntu3.1",
            "binary_name": "inetutils-telnet"
        },
        {
            "binary_version": "2:2.6-1ubuntu3.1",
            "binary_name": "inetutils-telnetd"
        },
        {
            "binary_version": "2:2.6-1ubuntu3.1",
            "binary_name": "inetutils-tools"
        },
        {
            "binary_version": "2:2.6-1ubuntu3.1",
            "binary_name": "inetutils-traceroute"
        },
        {
            "binary_version": "0.17+2.6-1ubuntu3.1",
            "binary_name": "telnet"
        },
        {
            "binary_version": "0.17+2.6-1ubuntu3.1",
            "binary_name": "telnetd"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:25.10",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2026-24061"
        }
    ]
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7992-1.json"