{"id":"UBUNTU-CVE-2023-38403","details":"iperf3 before 3.14 allows peers to cause an integer overflow and heap corruption via a crafted length field.","modified":"2026-05-20T16:07:39.642966028Z","published":"2023-07-17T21:15:00Z","related":["USN-6431-1","USN-6431-2","USN-6431-3"],"upstream":["CVE-2023-38403"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-38403"},{"type":"REPORT","url":"https://github.com/esnet/iperf/commit/0ef151550d96cc4460f98832df84b4a1e87c65e9"},{"type":"REPORT","url":"https://bugs.debian.org/1040830"},{"type":"REPORT","url":"https://github.com/esnet/iperf/issues/1542"},{"type":"REPORT","url":"https://downloads.es.net/pub/iperf/esnet-secadv-2023-0001.txt.asc"},{"type":"REPORT","url":"https://cwe.mitre.org/data/definitions/130.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6431-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6431-2"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6431-3"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-38403"}],"affected":[{"package":{"name":"iperf3","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/iperf3?arch=source&distro=esm-apps%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_name":"libiperf0","binary_version":"3.0.11-1ubuntu0.1~esm2"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-38403.json"}},{"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_name":"iperf3","binary_version":"3.1.3-1ubuntu0.1~esm1"},{"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/cve/2023/UBUNTU-CVE-2023-38403.json"}},{"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_name":"iperf3","binary_version":"3.7-3ubuntu0.1~esm1"},{"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/cve/2023/UBUNTU-CVE-2023-38403.json"}},{"package":{"name":"iperf3","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/iperf3?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":{"binaries":[{"binary_name":"iperf3","binary_version":"3.9-1+deb11u1build0.22.04.1"},{"binary_name":"libiperf0","binary_version":"3.9-1+deb11u1build0.22.04.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-38403.json"}},{"package":{"name":"iperf3","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/iperf3?arch=source&distro=esm-apps%2Fnoble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.14-1","3.15-1","3.16-1","3.16-1build1","3.16-1build2","3.16-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"iperf3","binary_version":"3.16-1ubuntu0.1~esm1"},{"binary_name":"libiperf0","binary_version":"3.16-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-38403.json"}},{"package":{"name":"iperf3","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/iperf3?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.18-2","3.18-2ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.18-2ubuntu0.1","binary_name":"iperf3"},{"binary_version":"3.18-2ubuntu0.1","binary_name":"libiperf0"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-38403.json"}},{"package":{"name":"iperf3","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/iperf3?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.18-2","3.19.1-2","3.20-2"],"ecosystem_specific":{"binaries":[{"binary_version":"3.20-2","binary_name":"iperf3"},{"binary_version":"3.20-2","binary_name":"libiperf0"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-38403.json"}}],"schema_version":"1.7.5","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"}]}