CVE-2026-102253: esnet iperf3, отказ на услуга

Описание

Оригинално описание

iperf3 versions prior to 3.22 contains a denial of service vulnerability that allows unauthenticated remote attackers to crash-loop the server's UDP receive worker into an unrecoverable infinite loop by sending a single crafted control-channel parameter message followed by one 16-byte UDP datagram. Attackers can permanently pin the affected per-stream receive thread at approximately 100% CPU usage, rendering the server unusable until forcibly killed with SIGKILL, as the process does not respond to normal control-channel closure.

Засегнати продукти

• esnet iperf3: 3.14 преди 3.22

Вид слабост

• CWE-835 Loop with Unreachable Exit Condition

История

Други уязвимости в esnet iperf3

• 9.2CVE-2026-101283
• 9.2CVE-2026-101276

Първоизточници

• https://www.cve.org/CVERecord?id=CVE-2026-102253
• https://nvd.nist.gov/vuln/detail/CVE-2026-102253
• https://github.com/esnet/iperf/releases/tag/3.22
• https://github.com/esnet/iperf/blob/master/RELNOTES.md
• https://www.vulncheck.com/advisories/iperf3-udp-receive-worker-infinite-loop-dos