A vulnerability in the libreswan software is related to the fact that in some IKEv2 scenarios
retransmit a connection configured to use PreSharedKeys (authby=secret) and this connection fails to
can’t find the corresponding customized secret. Exploiting the vulnerability could allow an attacker,
acting remotely, to send specially crafted packets to the system and perform a denial-of-service attack.
denial-of-service attack.