CVE-2020-12740

CriticalCVSS 9.1/10Last modified Jun 17, 2026

Description

tcprewrite in Tcpreplay through 4.3.2 has a heap-based buffer over-read during a get_c operation. The issue is being triggered in the function get_ipv6_next() at common/get.c.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Weakness enumeration

CWE-125

Affected software

No affected versions have been published.

Timeline

Published
May 8, 2020
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2020-12740: Critical severity, CVSS 9.1 | Vulnix