A vulnerability was found in RsyncProject rsync up to 3.4.2 and classified as problematic . Affected by this issue is the function establish_proxy_connection of the file socket.c of the component Environment Variable Handler . Executing a manipulation of the argument RSYNC_PROXY can lead to off-by-one. This vulnerability is handled as CVE-2026-45232 . The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.