Is CVE-2006-6397 being actively exploited?

CVE-2006-6397 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2006-6397?

CVE-2006-6397 has a CVSS 2.0 base score of 4.4 (MEDIUM).

CVE-2006-6397

MEDIUM · CVSS 4.4EPSS 0.3%EU EUVD

Integer overflow in banner/banner.c in FreeBSD, NetBSD, and OpenBSD might allow local users to modify memory via a long banner. NOTE: CVE and multiple third parties dispute this issue. Since banner is not setuid, an exploit would not cross privilege boundaries in normal operations. This issue is not a vulnerability

Key facts

CVSS score: 4.4 (v2.0)
Severity: MEDIUM
CVSS vector: AV:L/AC:M/Au:N/C:P/I:P/A:P
EPSS score: 0.3% (21th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2006-6380)
Published: December 8, 2006
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2006-6380 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

freebsd / freebsd
netbsd / netbsd
openbsd / openbsd

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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