CVE-2023-41910: lldpd: CDP PDU Packet cdp.c out-of-bounds read

Severity: Critical

CVSS Score: 9.8

An issue was discovered in lldpd before 1.0.17. By crafting a CDP PDU packet with specific CDP_TLV_ADDRESSES TLVs, a malicious actor can remotely force the lldpd daemon to perform an out-of-bounds read on heap memory. This occurs in cdp_decode in daemon/protocols/cdp.c.