{"id":"USN-7992-1","summary":"inetutils vulnerability","details":"Kyu Neushwaistein discovered that telnetd in Inetutils incorrectly handled\ncertain environment variables. A remote attacker could use this issue to\nbypass authentication and open a session as an administrator.","modified":"2026-02-10T04:50:48Z","published":"2026-02-02T12:58:39Z","related":["UBUNTU-CVE-2026-24061"],"upstream":["CVE-2026-24061","UBUNTU-CVE-2026-24061"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7992-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-24061"}],"affected":[{"package":{"name":"inetutils","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/inetutils@2:2.2-2ubuntu0.2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.2-2ubuntu0.2"}]}],"versions":["2:2.0-1","2:2.2-2","2:2.2-2ubuntu0.1"],"ecosystem_specific":{"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"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7992-1.json","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:22.04:LTS"}}},{"package":{"name":"inetutils","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/inetutils@2:2.5-3ubuntu4.1?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.5-3ubuntu4.1"}]}],"versions":["2:2.4-2ubuntu2","2:2.4-3ubuntu1","2:2.5-3ubuntu1","2:2.5-3ubuntu3","2:2.5-3ubuntu4"],"ecosystem_specific":{"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"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7992-1.json","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:24.04:LTS"}}},{"package":{"name":"inetutils","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/inetutils@2:2.6-1ubuntu3.1?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.6-1ubuntu3.1"}]}],"versions":["2:2.5-6ubuntu1","2:2.6-1ubuntu1","2:2.6-1ubuntu3"],"ecosystem_specific":{"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"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7992-1.json","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:25.10"}}}],"schema_version":"1.7.3"}