{"id":"USN-6431-2","summary":"iperf3 vulnerability","details":"USN-6431-1 fixed a vulnerability in iperf3. This update provides\nthe corresponding update for Ubuntu 22.04 LTS and Ubuntu 23.04.\n\nOriginal advisory details:\n\n It was discovered that iperf3 did not properly manage certain inputs, \n which could lead to a crash. A remote attacker could possibly use this\n issue to cause a denial of service. (CVE-2023-38403)\n","modified":"2026-04-27T16:54:10.150874Z","published":"2023-10-16T14:15:08Z","related":["UBUNTU-CVE-2023-38403"],"upstream":["CVE-2023-38403","UBUNTU-CVE-2023-38403"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6431-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-38403"}],"affected":[{"package":{"name":"iperf3","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/iperf3@3.9-1+deb11u1build0.22.04.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9-1+deb11u1build0.22.04.1"}]}],"versions":["3.9-1","3.9-1build1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"3.9-1+deb11u1build0.22.04.1","binary_name":"iperf3"},{"binary_version":"3.9-1+deb11u1build0.22.04.1","binary_name":"libiperf0"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2023-38403"}],"ecosystem":"Ubuntu:22.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6431-2.json"}}],"schema_version":"1.7.5"}