{"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":"2026-05-18T05:55:29.699346525Z","published":"2023-08-25T00:00:00Z","related":["ALSA-2023:6549","ALSA-2023:7052"],"database_specific":{"cna_assigner":"mitre","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/38xxx/CVE-2023-38712.json"},"references":[{"type":"WEB","url":"https://github.com/libreswan/libreswan/tags"},{"type":"WEB","url":"https://libreswan.org/security/CVE-2023-38712/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/38xxx/CVE-2023-38712.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-38712"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/libreswan/libreswan","events":[{"introduced":"a536c0946f4e993a987c94fd4c933084ff27512f"},{"fixed":"273ab05494d1a08c81bc4f84c38dfa7128fa239a"}]}],"versions":["v4.11","v4.10","v4.9","v4.8","v4.7","v4.6","v4.5","v4.4","v4.3","v4.2","v4.1","v4.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-38712.json"}}],"schema_version":"1.7.5"}