{"id":"DEBIAN-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":"2026-09-15T09:02:44.312000342Z","published":"2023-08-25T21:15:08.230Z","upstream":["CVE-2023-38711"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2023-38711"}],"affected":[{"package":{"name":"libreswan","ecosystem":"Debian:12","purl":"pkg:deb/debian/libreswan?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.10-2","4.10-2+deb12u1","4.11-1","4.12-1","4.12-2","4.12-3","4.14-1","4.14-1.1","4.15-1","5.0~rc2-1","5.0~rc2-2","5.2-1","5.2-2","5.2-2.1","5.2-2.2","5.2-2.3","5.2-2.4","5.2-2.5"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-38711.json"}},{"package":{"name":"libreswan","ecosystem":"Debian:13","purl":"pkg:deb/debian/libreswan?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.12-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-38711.json"}},{"package":{"name":"libreswan","ecosystem":"Debian:14","purl":"pkg:deb/debian/libreswan?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.12-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-38711.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}