CVE-2023-38711

An issue was discovered in Libreswan before 4.12. When an IKEv1 Quick Mode connection configured with ID_IPV4_ADDR or ID_IPV6_ADDR receives an IDcr payload with ID_FQDN, a NULL pointer dereference causes a crash and restart of the pluto daemon. NOTE: the earliest affected version is 4.6.

• CWE-476

• https://github.com/libreswan/libreswan/tagsThird Party Advisory
• https://libreswan.org/security/CVE-2023-38711/Third Party Advisory
• https://github.com/libreswan/libreswan/tagsThird Party Advisory
• https://libreswan.org/security/CVE-2023-38711/Third Party Advisory

Published

Aug 25, 2023

Last Modified

Jun 17, 2026

Status

Modified

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