{"id":"CVE-2023-38711","details":"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.","modified":"2026-03-20T04:18:19.924507Z","published":"2023-08-25T21:15:08.230Z","related":["ALSA-2023:6549","ALSA-2023:7052","MGASA-2024-0085"],"references":[{"type":"ADVISORY","url":"https://github.com/libreswan/libreswan/tags"},{"type":"ADVISORY","url":"https://libreswan.org/security/CVE-2023-38711/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/libreswan/libreswan","events":[{"introduced":"5cb4ea71800792204de69a9f546ca6a41f377bf3"},{"fixed":"273ab05494d1a08c81bc4f84c38dfa7128fa239a"}],"database_specific":{"versions":[{"introduced":"4.6"},{"fixed":"4.12"}]}}],"versions":["v4.10","v4.11","v4.6","v4.7","v4.8","v4.9"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-38711.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}