{"id":"DEBIAN-CVE-2018-5732","details":"Failure to properly bounds-check a buffer used for processing DHCP options allows a malicious server (or an entity masquerading as a server) to cause a buffer overflow (and resulting crash) in dhclient by sending a response containing a specially constructed options section. Affects ISC DHCP versions 4.1.0 -\u003e 4.1-ESV-R15, 4.2.0 -\u003e 4.2.8, 4.3.0 -\u003e 4.3.6, 4.4.0","modified":"2026-09-01T20:03:59.622493081Z","published":"2019-10-09T16:15:13.407Z","upstream":["CVE-2018-5732"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2018-5732"}],"affected":[{"package":{"name":"isc-dhcp","ecosystem":"Debian:12","purl":"pkg:deb/debian/isc-dhcp?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.5-3.1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-5732.json"}},{"package":{"name":"isc-dhcp","ecosystem":"Debian:13","purl":"pkg:deb/debian/isc-dhcp?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.5-3.1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-5732.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}