{"id":"ALPINE-CVE-2021-43612","details":"In lldpd before 1.0.13, when decoding SONMP packets in the sonmp_decode function, it's possible to trigger an out-of-bounds heap read via short SONMP packets.","modified":"2026-11-03T06:32:41.551011477Z","published":"2023-04-15T22:15:07.033Z","upstream":["CVE-2021-43612"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2021-43612"}],"affected":[{"package":{"name":"lldpd","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/lldpd?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.13-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-43612.json"}},{"package":{"name":"lldpd","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/lldpd?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.13-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-43612.json"}},{"package":{"name":"lldpd","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/lldpd?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.13-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-43612.json"}},{"package":{"name":"lldpd","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/lldpd?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.13-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-43612.json"}},{"package":{"name":"lldpd","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/lldpd?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.13-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-43612.json"}},{"package":{"name":"lldpd","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/lldpd?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.13-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-43612.json"}},{"package":{"name":"lldpd","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/lldpd?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.13-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-43612.json"}},{"package":{"name":"lldpd","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/lldpd?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.13-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-43612.json"}},{"package":{"name":"lldpd","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/lldpd?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.13-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-43612.json"}},{"package":{"name":"lldpd","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/lldpd?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.13-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-43612.json"}},{"package":{"name":"lldpd","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/lldpd?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.13-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-43612.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}