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iperf3: iperf Heap Buffer Overflow

🗓️ 29 Jan 2026 18:34:21Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 8 Views

This heap-based overflow in iperf3 from an off-by-one error in authentication processing enables denial of service by a network attacker.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.7aarch64iperf33.9-14.el9_7.1iperf3-3.9-14.el9_7.1.aarch64.rpm
Red Hat Enterprise Linux9.7i686iperf33.9-14.el9_7.1iperf3-3.9-14.el9_7.1.i686.rpm
Red Hat Enterprise Linux9.7ppc64leiperf33.9-14.el9_7.1iperf3-3.9-14.el9_7.1.ppc64le.rpm
Red Hat Enterprise Linux9.7s390xiperf33.9-14.el9_7.1iperf3-3.9-14.el9_7.1.s390x.rpm
Red Hat Enterprise Linux9.7x86_64iperf33.9-14.el9_7.1iperf3-3.9-14.el9_7.1.x86_64.rpm
Red Hat Enterprise Linux9.7aarch64iperf3-debuginfo3.9-14.el9_7.1iperf3-debuginfo-3.9-14.el9_7.1.aarch64.rpm
Red Hat Enterprise Linux9.7i686iperf3-debuginfo3.9-14.el9_7.1iperf3-debuginfo-3.9-14.el9_7.1.i686.rpm
Red Hat Enterprise Linux9.7ppc64leiperf3-debuginfo3.9-14.el9_7.1iperf3-debuginfo-3.9-14.el9_7.1.ppc64le.rpm
Red Hat Enterprise Linux9.7s390xiperf3-debuginfo3.9-14.el9_7.1iperf3-debuginfo-3.9-14.el9_7.1.s390x.rpm
Red Hat Enterprise Linux9.7x86_64iperf3-debuginfo3.9-14.el9_7.1iperf3-debuginfo-3.9-14.el9_7.1.x86_64.rpm
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11 Jul 2026 21:58Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.16.5 - 10
EPSS0.00378
SSVC
8