{"id":"RLSA-2024:9158","summary":"Moderate: lldpd security update","details":"LLDP is an industry standard protocol designed to supplant proprietary Link-Layer protocols such as EDP or CDP. The goal of LLDP is to provide an inter-vendor compatible mechanism to deliver Link-Layer notifications to adjacent network devices.\n\nSecurity Fix(es):\n\n* lldp/openvswitch: denial of service via externally triggered memory leak (CVE-2020-27827)\n\n* lldpd: out-of-bounds read when decoding SONMP packets (CVE-2021-43612)\n\n* lldpd: CDP PDU Packet cdp.c out-of-bounds read (CVE-2023-41910)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Rocky Linux 9.5 Release Notes linked from the References section.","modified":"2026-03-11T06:31:50.028002Z","published":"2025-03-17T20:16:49.937392Z","upstream":["CVE-2020-27827","CVE-2021-43612","CVE-2023-41910"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2024:9158"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1921438"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2040388"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2237411"}],"affected":[{"package":{"name":"lldpd","ecosystem":"Rocky Linux:9","purl":"pkg:rpm/rocky-linux/lldpd?distro=rocky-linux-9&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.0.18-4.el9"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2024:9158.json"}}],"schema_version":"1.7.5","credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}