{"id":"ALPINE-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":"2026-07-08T04:30:35.226754618Z","published":"2019-10-09T16:15:13.407Z","upstream":["CVE-2018-5732"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2018-5732"}],"affected":[{"package":{"name":"dhcp","ecosystem":"Alpine:v3.10","purl":"pkg:apk/alpine/dhcp?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1.0"},{"fixed":"4.4.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-5732.json"}},{"package":{"name":"dhcp","ecosystem":"Alpine:v3.11","purl":"pkg:apk/alpine/dhcp?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1.0"},{"fixed":"4.4.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-5732.json"}},{"package":{"name":"dhcp","ecosystem":"Alpine:v3.12","purl":"pkg:apk/alpine/dhcp?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1.0"},{"fixed":"4.4.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-5732.json"}},{"package":{"name":"dhcp","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/dhcp?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1.0"},{"fixed":"4.4.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-5732.json"}},{"package":{"name":"dhcp","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/dhcp?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1.0"},{"fixed":"4.4.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-5732.json"}},{"package":{"name":"dhcp","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/dhcp?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1.0"},{"fixed":"4.4.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-5732.json"}},{"package":{"name":"dhcp","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/dhcp?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1.0"},{"fixed":"4.4.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-5732.json"}},{"package":{"name":"dhcp","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/dhcp?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1.0"},{"fixed":"4.4.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-5732.json"}},{"package":{"name":"dhcp","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/dhcp?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1.0"},{"fixed":"4.4.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-5732.json"}},{"package":{"name":"dhcp","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/dhcp?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1.0"},{"fixed":"4.4.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-5732.json"}},{"package":{"name":"dhcp","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/dhcp?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1.0"},{"fixed":"4.4.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-5732.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}