{"id":"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":"2026-04-10T04:41:04.855947Z","published":"2023-04-15T22:15:07.033Z","related":["ALSA-2024:9158","openSUSE-SU-2024:11635-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3T5XHPOGIPWCRRPJUE6P3HVC5PTSD5JS/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JYA4AMJXCNF6UPFG36L2TPPT32C242SP/"},{"type":"FIX","url":"https://lldpd.github.io/security.html"},{"type":"FIX","url":"https://github.com/lldpd/lldpd/commit/73d42680fce8598324364dbb31b9bc3b8320adf7"},{"type":"FIX","url":"https://github.com/lldpd/lldpd/compare/1.0.12...1.0.13"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/lldpd/lldpd","events":[{"introduced":"0"},{"fixed":"73d42680fce8598324364dbb31b9bc3b8320adf7"}]},{"type":"GIT","repo":"https://github.com/vincentbernat/lldpd","events":[{"introduced":"0"},{"fixed":"9576b78ec445b6570763deb93f0de8e68ba77f7e"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"1.0.13"}]}}],"versions":["0.2","0.2.1","0.3","0.3.1","0.3.2","0.4.0","0.5.0","0.5.1","0.5.2","0.5.4","0.5.5","0.6.0","0.6.1","0.7.0","0.7.1","0.7.10","0.7.11","0.7.12","0.7.13","0.7.14","0.7.15","0.7.16","0.7.2","0.7.3","0.7.4","0.7.5","0.7.6","0.7.7","0.7.8","0.7.9","0.8.0","0.9.0","0.9.1","0.9.2","0.9.3","0.9.4","0.9.5","0.9.6","0.9.7","0.9.8","0.9.9","1.0.0","1.0.1","1.0.10","1.0.11","1.0.12","1.0.2","1.0.3","1.0.4","1.0.5","1.0.6","1.0.7","1.0.8","1.0.9"],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"36"}]},{"events":[{"introduced":"0"},{"last_affected":"37"}]},{"events":[{"introduced":"0"},{"last_affected":"38"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-43612.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"}]}