{"id":"USN-7457-1","summary":"openssh vulnerability","details":"It was discovered that OpenSSH incorrectly handled the DisableForwarding\ndirective. The directive would fail to disable X11 and agent forwarding,\ncontrary to documentation and expectations.\n","modified":"2026-02-10T04:48:34Z","published":"2025-04-24T12:40:43Z","related":["UBUNTU-CVE-2025-32728"],"upstream":["CVE-2025-32728","UBUNTU-CVE-2025-32728"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7457-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-32728"}],"affected":[{"package":{"name":"openssh","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/openssh@1:8.2p1-4ubuntu0.13?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:8.2p1-4ubuntu0.13"}]}],"versions":["1:8.0p1-6build1","1:8.1p1-1","1:8.1p1-5","1:8.2p1-4","1:8.2p1-4ubuntu0.1","1:8.2p1-4ubuntu0.2","1:8.2p1-4ubuntu0.3","1:8.2p1-4ubuntu0.4","1:8.2p1-4ubuntu0.5","1:8.2p1-4ubuntu0.7","1:8.2p1-4ubuntu0.8","1:8.2p1-4ubuntu0.9","1:8.2p1-4ubuntu0.10","1:8.2p1-4ubuntu0.11","1:8.2p1-4ubuntu0.12"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1:8.2p1-4ubuntu0.13","binary_name":"openssh-client"},{"binary_version":"1:8.2p1-4ubuntu0.13","binary_name":"openssh-server"},{"binary_version":"1:8.2p1-4ubuntu0.13","binary_name":"openssh-sftp-server"},{"binary_version":"1:8.2p1-4ubuntu0.13","binary_name":"openssh-tests"},{"binary_version":"1:8.2p1-4ubuntu0.13","binary_name":"ssh"},{"binary_version":"1:8.2p1-4ubuntu0.13","binary_name":"ssh-askpass-gnome"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7457-1.json","cves_map":{"cves":[{"id":"CVE-2025-32728","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:20.04:LTS"}}},{"package":{"name":"openssh","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/openssh@1:8.9p1-3ubuntu0.13?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:8.9p1-3ubuntu0.13"}]}],"versions":["1:8.4p1-6ubuntu2","1:8.7p1-2","1:8.7p1-2build1","1:8.7p1-4","1:8.8p1-1","1:8.9p1-3","1:8.9p1-3ubuntu0.1","1:8.9p1-3ubuntu0.3","1:8.9p1-3ubuntu0.4","1:8.9p1-3ubuntu0.5","1:8.9p1-3ubuntu0.6","1:8.9p1-3ubuntu0.7","1:8.9p1-3ubuntu0.10","1:8.9p1-3ubuntu0.11"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1:8.9p1-3ubuntu0.13","binary_name":"openssh-client"},{"binary_version":"1:8.9p1-3ubuntu0.13","binary_name":"openssh-server"},{"binary_version":"1:8.9p1-3ubuntu0.13","binary_name":"openssh-sftp-server"},{"binary_version":"1:8.9p1-3ubuntu0.13","binary_name":"openssh-tests"},{"binary_version":"1:8.9p1-3ubuntu0.13","binary_name":"ssh"},{"binary_version":"1:8.9p1-3ubuntu0.13","binary_name":"ssh-askpass-gnome"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7457-1.json","cves_map":{"cves":[{"id":"CVE-2025-32728","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:22.04:LTS"}}},{"package":{"name":"openssh","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/openssh@1:9.6p1-3ubuntu13.11?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.6p1-3ubuntu13.11"}]}],"versions":["1:9.3p1-1ubuntu3","1:9.4p1-1ubuntu1","1:9.6p1-3ubuntu1","1:9.6p1-3ubuntu2","1:9.6p1-3ubuntu11","1:9.6p1-3ubuntu12","1:9.6p1-3ubuntu13","1:9.6p1-3ubuntu13.3","1:9.6p1-3ubuntu13.4","1:9.6p1-3ubuntu13.5","1:9.6p1-3ubuntu13.7","1:9.6p1-3ubuntu13.8","1:9.6p1-3ubuntu13.9"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1:9.6p1-3ubuntu13.11","binary_name":"openssh-client"},{"binary_version":"1:9.6p1-3ubuntu13.11","binary_name":"openssh-server"},{"binary_version":"1:9.6p1-3ubuntu13.11","binary_name":"openssh-sftp-server"},{"binary_version":"1:9.6p1-3ubuntu13.11","binary_name":"openssh-tests"},{"binary_version":"1:9.6p1-3ubuntu13.11","binary_name":"ssh"},{"binary_version":"1:9.6p1-3ubuntu13.11","binary_name":"ssh-askpass-gnome"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7457-1.json","cves_map":{"cves":[{"id":"CVE-2025-32728","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:24.04:LTS"}}}],"schema_version":"1.7.3"}