{"id":"ALSA-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  * lldpd: out-of-bounds read when decoding SONMP packets (CVE-2021-43612)\n  * lldpd: CDP PDU Packet cdp.c out-of-bounds read (CVE-2023-41910)\n\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 AlmaLinux Release Notes linked from the References section.\n","modified":"2026-01-30T00:47:57.021202Z","published":"2024-11-12T00:00:00Z","related":["CVE-2020-27827","CVE-2021-43612","CVE-2023-41910"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2024:9158"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2020-27827"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2021-43612"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2023-41910"},{"type":"REPORT","url":"https://bugzilla.redhat.com/1921438"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2040388"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2237411"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2024-9158.html"}],"affected":[{"package":{"name":"lldpd","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/lldpd"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.18-4.el9"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2024:9158.json"}},{"package":{"name":"lldpd-devel","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/lldpd-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.18-4.el9"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2024:9158.json"}}],"schema_version":"1.7.3"}