Lldpd vulnerabilities

1 vulnerability

Known vulnerabilities in Lldpd products, newest first, with CVSS severity, EPSS, KEV listings and ransomware use, across 1 product.

Products

1
RoutineCVE-2026-46433lldpd +7 morelldpd: Heap OOB Read in VLAN Decapsulation memmovelldpd is an implementation of IEEE 802.1ab (LLDP). Prior to version 1.0.22, lldpd_decode() in src/daemon/lldpd.c strips 802.1Q VLAN tags from received Ethernet frames by calling memmove() to shift the frame payload 4 bytes left. The third argument (byte count) is s - 2 * ETHER_ADDR_LEN but should be s - 2 * ETHER_ADDR_LEN - 4, causing a 4-byte heap buffer over-read past the malloc(h_mtu) allocation when the received frame size equals the interface MTU. This issue has been patched in version 1.0.22.CVSS6.5MediumEPSS0.22%