CVE-2018-18409

Name: CVE-2018-18409
Creator: NVD / NIST
Published: 2018-10-17T04:29:00.893+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.30%

Last modified Jun 17, 2026

CVE-2018-18409 is a vulnerability of currently unknown severity. A stack-based buffer over-read exists in setbit() at iptree.h of TCPFLOW 1.5.0, due to received incorrect values causing incorrect computation, leading to denial of service during an address_histogram call or a get_histogram call.. EPSS estimates a 1.30% chance of exploitation in the next 30 days.

Description

A stack-based buffer over-read exists in setbit() at iptree.h of TCPFLOW 1.5.0, due to received incorrect values causing incorrect computation, leading to denial of service during an address_histogram call or a get_histogram call.

Metrics

EPSS Probability

1.30%

66.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Digitalcorpora	Tcpflow	1.5.0
Fedoraproject	Fedora	28
Fedoraproject	Fedora	29
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	18.10

References

https://github.com/simsong/tcpflow/issues/195Exploit, Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K6MP4YMCJX4ITOBFX427UMOA6E7ZLJDE/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MN5FW6HKPDP7PI2IVNMFSQVIDSCQ5BOR/
https://usn.ubuntu.com/3955-1/Third Party Advisory
https://github.com/simsong/tcpflow/issues/195Exploit, Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K6MP4YMCJX4ITOBFX427UMOA6E7ZLJDE/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MN5FW6HKPDP7PI2IVNMFSQVIDSCQ5BOR/
https://usn.ubuntu.com/3955-1/Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2018-18409?

How severe is CVE-2018-18409?

Severity scoring for CVE-2018-18409 is pending analysis. The EPSS model estimates a 1.30% probability of exploitation in the next 30 days.

How do I fix CVE-2018-18409?

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-2018-18409?

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

Scan your code now

Source: NVD / NIST