{"id":"ALPINE-CVE-2023-0809","details":"In Mosquitto before 2.0.16, excessive memory is allocated based on malicious initial packets that are not CONNECT packets.","modified":"2026-09-15T08:17:48.355915476Z","published":"2023-10-02T19:15:09.717Z","upstream":["CVE-2023-0809"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2023-0809"}],"affected":[{"package":{"name":"mosquitto","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/mosquitto?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.16-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-0809.json"}},{"package":{"name":"mosquitto","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/mosquitto?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.16-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-0809.json"}},{"package":{"name":"mosquitto","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/mosquitto?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.16-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-0809.json"}},{"package":{"name":"mosquitto","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/mosquitto?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.16-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-0809.json"}},{"package":{"name":"mosquitto","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/mosquitto?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.16-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-0809.json"}},{"package":{"name":"mosquitto","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/mosquitto?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.16-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-0809.json"}},{"package":{"name":"mosquitto","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/mosquitto?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.16-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-0809.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:L"}]}