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
0 Unknown 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 

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "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",
            "binary_version":  "2:2.2-2ubuntu0.2"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2026-24061",
            "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"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:22.04:LTS"
}
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
0 Unknown 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 

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "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":  "2:2.5-3ubuntu4.1"
        },
        {
            "binary_name":  "telnet",
            "binary_version":  "0.17+2.5-3ubuntu4.1"
        },
        {
            "binary_name":  "telnetd",
            "binary_version":  "0.17+2.5-3ubuntu4.1"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2026-24061",
            "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"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:24.04:LTS"
}
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
0 Unknown 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 

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "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":  "2:2.6-1ubuntu3.1"
        },
        {
            "binary_name":  "telnet",
            "binary_version":  "0.17+2.6-1ubuntu3.1"
        },
        {
            "binary_name":  "telnetd",
            "binary_version":  "0.17+2.6-1ubuntu3.1"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2026-24061",
            "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"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:25.10"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7992-1.json"