CVE-2006-7176

CVE-2006-7176 is a medium-severity vulnerability in Sendmail with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

The version of Sendmail 8.13.1-2 on Red Hat Enterprise Linux 4 Update 4 and earlier does not reject the "localhost.localdomain" domain name for e-mail messages that come from external hosts, which might allow remote attackers to spoof messages.

Frequently asked questions

What is CVE-2006-7176?
The version of Sendmail 8.13.1-2 on Red Hat Enterprise Linux 4 Update 4 and earlier does not reject the "localhost.localdomain" domain name for e-mail messages that come from external hosts, which might allow remote attackers to spoof messages.
How severe is CVE-2006-7176?
CVE-2006-7176 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2006-7176 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-7176?
CVE-2006-7176 affects Sendmail. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-7176?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-7176 published?
CVE-2006-7176 was published on 2007-03-27 and last updated on 2026-06-16.

References

Affected products (1)

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