CVE-2023-41910: Lldpd Project Lldpd

Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days.

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.

Affected products

• Lldpd Project Lldpd: before 1.0.17 (fixed in 1.0.17)

Published 2023-09-05. Last modified 2026-06-17.