An issue was discovered in Libreswan 3.x and 4.x before 4.12. When an IKEv1 ISAKMP SA Informational Exchange packet contains a Delete/Notify payload followed by further Notifies that act on the ISAKMP SA, such as a duplicated Delete/Notify message, a NULL pointer dereference on the deleted state causes the pluto daemon to crash and restart.

Related CVEs

CVE-2023-38712

Key Information

GHSA ID

GHSA-65xr-g9j5-jv8g

Published

August 25, 2023 9:30 PM

Last Modified

December 11, 2023 9:30 PM

CVSS Score

5.0 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: July 30, 2025 6:36 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.