{"id":"USN-6431-1","summary":"iperf3 vulnerabilities","details":"It was discovered that iperf3 did not properly manage certain inputs, \nwhich could lead to a crash. A remote attacker could possibly use this\nissue to cause a denial of service. (CVE-2023-38403)\n\nJorge Sancho Larraz discovered that iperf3 did not properly manage certain\ninputs, which could cause the server process to stop responding, waiting \nfor input on the control connection. A remote attacker could possibly use\nthis issue to cause a denial of service. (LP: #2038654) \n","modified":"2026-05-20T16:03:33.740844840Z","published":"2023-10-16T12:49:57Z","related":["UBUNTU-CVE-2023-38403","UBUNTU-CVE-2023-7250"],"upstream":["CVE-2023-38403","UBUNTU-CVE-2023-38403"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6431-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-38403"},{"type":"REPORT","url":"https://launchpad.net/bugs/2038654"}],"affected":[{"package":{"name":"iperf3","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/iperf3?arch=source&distro=esm-infra-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.11-1ubuntu0.1~esm2"}]}],"versions":["3.0.11-1","3.0.11-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"iperf3","binary_version":"3.0.11-1ubuntu0.1~esm2"},{"binary_version":"3.0.11-1ubuntu0.1~esm2","binary_name":"libiperf0"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6431-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[]}}},{"package":{"name":"iperf3","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/iperf3?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.3-1ubuntu0.1~esm1"}]}],"versions":["3.1.3-1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.1.3-1ubuntu0.1~esm1","binary_name":"iperf3"},{"binary_name":"libiperf0","binary_version":"3.1.3-1ubuntu0.1~esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6431-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"id":"CVE-2023-38403","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"}]}]}}},{"package":{"name":"iperf3","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/iperf3?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7-3ubuntu0.1~esm1"}]}],"versions":["3.6-2","3.7-1","3.7-2","3.7-3"],"ecosystem_specific":{"binaries":[{"binary_version":"3.7-3ubuntu0.1~esm1","binary_name":"iperf3"},{"binary_version":"3.7-3ubuntu0.1~esm1","binary_name":"libiperf0"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6431-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:20.04:LTS","cves":[{"id":"CVE-2023-38403","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"}]}]}}}],"schema_version":"1.7.5"}