{"id":"ALPINE-CVE-2018-5733","details":"A malicious client which is allowed to send very large amounts of traffic (billions of packets) to a DHCP server can eventually overflow a 32-bit reference counter, potentially causing dhcpd to crash. Affects ISC DHCP 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":"2026-07-08T04:30:34.768090561Z","published":"2019-01-16T20:29:00.753Z","upstream":["CVE-2018-5733"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2018-5733"}],"affected":[{"package":{"name":"dhcp","ecosystem":"Alpine:v3.10","purl":"pkg:apk/alpine/dhcp?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.2.0"},{"fixed":"4.4.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-5733.json"}},{"package":{"name":"dhcp","ecosystem":"Alpine:v3.11","purl":"pkg:apk/alpine/dhcp?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.2.0"},{"fixed":"4.4.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-5733.json"}},{"package":{"name":"dhcp","ecosystem":"Alpine:v3.12","purl":"pkg:apk/alpine/dhcp?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.2.0"},{"fixed":"4.4.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-5733.json"}},{"package":{"name":"dhcp","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/dhcp?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.2.0"},{"fixed":"4.4.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-5733.json"}},{"package":{"name":"dhcp","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/dhcp?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.2.0"},{"fixed":"4.4.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-5733.json"}},{"package":{"name":"dhcp","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/dhcp?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.2.0"},{"fixed":"4.4.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-5733.json"}},{"package":{"name":"dhcp","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/dhcp?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.2.0"},{"fixed":"4.4.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-5733.json"}},{"package":{"name":"dhcp","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/dhcp?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.2.0"},{"fixed":"4.4.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-5733.json"}},{"package":{"name":"dhcp","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/dhcp?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.2.0"},{"fixed":"4.4.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-5733.json"}},{"package":{"name":"dhcp","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/dhcp?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.2.0"},{"fixed":"4.4.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-5733.json"}},{"package":{"name":"dhcp","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/dhcp?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.2.0"},{"fixed":"4.4.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-5733.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"}]}