CVE-2018-18407

Name: CVE-2018-18407
Creator: NVD / NIST
Published: 2018-10-17T04:29:00.643+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.24%

Last modified Jun 17, 2026

CVE-2018-18407 is a vulnerability of currently unknown severity. A heap-based buffer over-read was discovered in the tcpreplay-edit binary of Tcpreplay 4.3.0 beta1, during the incremental checksum operation. The issue gets triggered in the function csum_replace4() in incremental_checksum.h, causing a denial of service.. EPSS estimates a 1.24% chance of exploitation in the next 30 days.

Description

A heap-based buffer over-read was discovered in the tcpreplay-edit binary of Tcpreplay 4.3.0 beta1, during the incremental checksum operation. The issue gets triggered in the function csum_replace4() in incremental_checksum.h, causing a denial of service.

Metrics

EPSS Probability

1.24%

65.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions	Update
Broadcom	Tcpreplay	4.3.0	Beta1
Fedoraproject	Fedora	28	—
Fedoraproject	Fedora	29	—

References

Timeline

Published: Oct 17, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-18407?

How severe is CVE-2018-18407?

Severity scoring for CVE-2018-18407 is pending analysis. The EPSS model estimates a 1.24% probability of exploitation in the next 30 days.

How do I fix CVE-2018-18407?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-18407?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST