Name: CVE-2020-18976: Buffer Copy without Checking Size of Input
Creator: Rapid7
Published: 2021-08-25T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2020-18976, CWE-120, CVSS 5.5, EPSS 0.00665

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.

CVSS Details

CVSS 3.1 Base Score: 5.5
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade tcpreplay	Jul 30, 2024	Aug 25, 2021
Ubuntu	—	No solution exists	Jun 26, 2025	Aug 25, 2021

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CVSS Details

Covered by Rapid7

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