MEDIUM 6.5 Microsoft

CVE-2023-38712

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.

Microsoft Security Update 2023-Aug: 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.

Affected Products

References

Published: 2023-08-08 · Source: Microsoft · Feed updated: 2026-08-14
This medium severity vulnerability with a CVSS score of 6.5 was published on 2023-08-08 via Microsoft. Affected: azl3 libreswan 4.7-7 on Azure Linux 3.0, cbl2 libreswan 4.7-5 on CBL Mariner 2.0, azl3 libreswan 4.7-6 on Azure Linux 3.0.
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