USN-7992-2

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Source
https://ubuntu.com/security/notices/USN-7992-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7992-2.json
JSON Data
https://api.osv.dev/v1/vulns/USN-7992-2
Upstream
Related
Published
2026-02-18T17:02:47Z
Modified
2026-02-19T20:29:32.057880Z
Summary
inetutils vulnerability
Details

USN-7992-1 fixed vulnerabilities in telnetd in Inetutils. This update provides the corresponding update for Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS.

Original advisory 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:Pro:16.04:LTS / inetutils

Package

Name
inetutils
Purl
pkg:deb/ubuntu/inetutils@2:1.9.4-1ubuntu0.1~esm5?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:1.9.4-1ubuntu0.1~esm5

Affected versions

2:1.*
2:1.9.4-1
2:1.9.4-1build1
2:1.9.4-1ubuntu0.1~esm1
2:1.9.4-1ubuntu0.1~esm2
2:1.9.4-1ubuntu0.1~esm3

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "inetutils-ftp",
            "binary_version": "2:1.9.4-1ubuntu0.1~esm5"
        },
        {
            "binary_name": "inetutils-ftpd",
            "binary_version": "2:1.9.4-1ubuntu0.1~esm5"
        },
        {
            "binary_name": "inetutils-inetd",
            "binary_version": "2:1.9.4-1ubuntu0.1~esm5"
        },
        {
            "binary_name": "inetutils-ping",
            "binary_version": "2:1.9.4-1ubuntu0.1~esm5"
        },
        {
            "binary_name": "inetutils-syslogd",
            "binary_version": "2:1.9.4-1ubuntu0.1~esm5"
        },
        {
            "binary_name": "inetutils-talk",
            "binary_version": "2:1.9.4-1ubuntu0.1~esm5"
        },
        {
            "binary_name": "inetutils-talkd",
            "binary_version": "2:1.9.4-1ubuntu0.1~esm5"
        },
        {
            "binary_name": "inetutils-telnet",
            "binary_version": "2:1.9.4-1ubuntu0.1~esm5"
        },
        {
            "binary_name": "inetutils-telnetd",
            "binary_version": "2:1.9.4-1ubuntu0.1~esm5"
        },
        {
            "binary_name": "inetutils-tools",
            "binary_version": "2:1.9.4-1ubuntu0.1~esm5"
        },
        {
            "binary_name": "inetutils-traceroute",
            "binary_version": "2:1.9.4-1ubuntu0.1~esm5"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-24061",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "high"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:16.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7992-2.json"

Ubuntu:Pro:18.04:LTS / inetutils

Package

Name
inetutils
Purl
pkg:deb/ubuntu/inetutils@2:1.9.4-3ubuntu0.1+esm4?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:1.9.4-3ubuntu0.1+esm4

Affected versions

2:1.*
2:1.9.4-2build1
2:1.9.4-3
2:1.9.4-3ubuntu0.1
2:1.9.4-3ubuntu0.1+esm1
2:1.9.4-3ubuntu0.1+esm2

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "inetutils-ftp",
            "binary_version": "2:1.9.4-3ubuntu0.1+esm4"
        },
        {
            "binary_name": "inetutils-ftpd",
            "binary_version": "2:1.9.4-3ubuntu0.1+esm4"
        },
        {
            "binary_name": "inetutils-inetd",
            "binary_version": "2:1.9.4-3ubuntu0.1+esm4"
        },
        {
            "binary_name": "inetutils-ping",
            "binary_version": "2:1.9.4-3ubuntu0.1+esm4"
        },
        {
            "binary_name": "inetutils-syslogd",
            "binary_version": "2:1.9.4-3ubuntu0.1+esm4"
        },
        {
            "binary_name": "inetutils-talk",
            "binary_version": "2:1.9.4-3ubuntu0.1+esm4"
        },
        {
            "binary_name": "inetutils-talkd",
            "binary_version": "2:1.9.4-3ubuntu0.1+esm4"
        },
        {
            "binary_name": "inetutils-telnet",
            "binary_version": "2:1.9.4-3ubuntu0.1+esm4"
        },
        {
            "binary_name": "inetutils-telnetd",
            "binary_version": "2:1.9.4-3ubuntu0.1+esm4"
        },
        {
            "binary_name": "inetutils-tools",
            "binary_version": "2:1.9.4-3ubuntu0.1+esm4"
        },
        {
            "binary_name": "inetutils-traceroute",
            "binary_version": "2:1.9.4-3ubuntu0.1+esm4"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-24061",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "high"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:18.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7992-2.json"

Ubuntu:Pro:20.04:LTS / inetutils

Package

Name
inetutils
Purl
pkg:deb/ubuntu/inetutils@2:1.9.4-11ubuntu0.2+esm3?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:1.9.4-11ubuntu0.2+esm3

Affected versions

2:1.*
2:1.9.4-10build1
2:1.9.4-11
2:1.9.4-11ubuntu0.1
2:1.9.4-11ubuntu0.1+esm1
2:1.9.4-11ubuntu0.2
2:1.9.4-11ubuntu0.2+esm1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "inetutils-ftp",
            "binary_version": "2:1.9.4-11ubuntu0.2+esm3"
        },
        {
            "binary_name": "inetutils-ftpd",
            "binary_version": "2:1.9.4-11ubuntu0.2+esm3"
        },
        {
            "binary_name": "inetutils-inetd",
            "binary_version": "2:1.9.4-11ubuntu0.2+esm3"
        },
        {
            "binary_name": "inetutils-ping",
            "binary_version": "2:1.9.4-11ubuntu0.2+esm3"
        },
        {
            "binary_name": "inetutils-syslogd",
            "binary_version": "2:1.9.4-11ubuntu0.2+esm3"
        },
        {
            "binary_name": "inetutils-talk",
            "binary_version": "2:1.9.4-11ubuntu0.2+esm3"
        },
        {
            "binary_name": "inetutils-talkd",
            "binary_version": "2:1.9.4-11ubuntu0.2+esm3"
        },
        {
            "binary_name": "inetutils-telnet",
            "binary_version": "2:1.9.4-11ubuntu0.2+esm3"
        },
        {
            "binary_name": "inetutils-telnetd",
            "binary_version": "2:1.9.4-11ubuntu0.2+esm3"
        },
        {
            "binary_name": "inetutils-tools",
            "binary_version": "2:1.9.4-11ubuntu0.2+esm3"
        },
        {
            "binary_name": "inetutils-traceroute",
            "binary_version": "2:1.9.4-11ubuntu0.2+esm3"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-24061",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "high"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:20.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7992-2.json"