{"id":"CVE-2023-38712","details":"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.","modified":"2026-04-16T04:37:06.778411084Z","published":"2023-08-25T21:15:08.293Z","related":["ALSA-2023:6549","ALSA-2023:7052"],"references":[{"type":"ADVISORY","url":"https://github.com/libreswan/libreswan/tags"},{"type":"ADVISORY","url":"https://libreswan.org/security/CVE-2023-38712/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/libreswan/libreswan","events":[{"introduced":"c00211359b44bf51a436a7189624843a7d14d4f1"},{"fixed":"a536c0946f4e993a987c94fd4c933084ff27512f"},{"introduced":"a536c0946f4e993a987c94fd4c933084ff27512f"},{"fixed":"273ab05494d1a08c81bc4f84c38dfa7128fa239a"}],"database_specific":{"versions":[{"introduced":"3.0"},{"fixed":"4.0"},{"introduced":"4.0"},{"fixed":"4.12"}]}}],"versions":["v4.0","v4.1","v4.10","v4.11","v4.2","v4.3","v4.4","v4.5","v4.6","v4.7","v4.8","v4.9"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-38712.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"}]}