CVE-2026-71218 Iperf3: unbounded peer-controlled allocation in iperf3 json_read() allows unauthenticated remote memory exhaustion

A flaw was found in iperf3. A remote unauthenticated attacker can exploit a vulnerability in the JSONread function, which accepts a peer-controlled message length and allocates memory without an upper bound. This allows the attacker to trigger excessive memory consumption, leading to a Denial of...