Libreswan · Libreswan · CVE-2023-30570
**Name of the Vulnerable Software and Affected Versions**
Libreswan versions 3.28 through 4.10
**Description**
The issue allows for a denial of service, causing the daemon to crash due to responder SPI mishandling. This can be triggered via unauthenticated IKEv1 Aggressive Mode packets.
**Recommendations**
For versions 3.28 through 4.10, update to version 4.11 or later to resolve the issue.