CVE-2020-18976: Broadcom Tcpreplay

Medium severity, CVSS 5.5. EPSS: 0.7% chance of exploitation in the next 30 days.

Buffer Overflow in Tcpreplay v4.3.2 allows attackers to cause a Denial of Service via the 'do_checksum' function in 'checksum.c'. It can be triggered by sending a crafted pcap file to the 'tcpreplay-edit' binary. This issue is different than CVE-2019-8381.

Affected products

• Broadcom Tcpreplay: version 4.3.2 only

Published 2021-08-25. Last modified 2026-06-17.