CVE-2018-20553: Broadcom Tcpreplay

High severity, CVSS 7.8. EPSS: 1.2% chance of exploitation in the next 30 days.

Tcpreplay before 4.3.1 has a heap-based buffer over-read in get_l2len in common/get.c.

Affected products

• Broadcom Tcpreplay: before 4.3.1 (fixed in 4.3.1)

Published 2018-12-28. Last modified 2026-06-17.