{"id":"ALSA-2023:4571","summary":"Important: iperf3 security update","details":"Iperf is a tool which can measure maximum TCP bandwidth and tune various parameters and UDP characteristics. Iperf reports bandwidth, delay jitter, and data-gram loss.\n\nSecurity Fix(es):\n\n* iperf3: memory allocation hazard and crash (CVE-2023-38403)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","modified":"2026-01-30T01:00:58.773291Z","published":"2023-08-08T00:00:00Z","related":["CVE-2023-38403"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2023:4571"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2023-38403"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2222204"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2023-4571.html"}],"affected":[{"package":{"name":"iperf3","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/iperf3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9-10.el9_2.alma"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:4571.json"}}],"schema_version":"1.7.3"}