{"id":"AZL-34936","summary":"CVE-2023-38711 affecting package libreswan for versions less than 4.7-6","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":"2026-04-01T05:12:46.720168Z","published":"2023-08-25T21:15:08Z","upstream":["CVE-2023-38711"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-38711"}],"affected":[{"package":{"name":"libreswan","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/libreswan"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.7-6"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-34936.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"}]}