CVE-2026-46433

CVE-2026-46433

lldpd 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…

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-46433?
CVE-2026-46433 is a medium-severity vulnerability, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2026-06-09.
How severe is CVE-2026-46433?
Medium severity. CVSS v3 base score is 6.5 out of 10.