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Vulnerability record · CVE-2006-7176 · published 27 March 2007

CVE-2006-7176: Sendmail vulnerability

Sendmail · Sendmail

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.

4.3 CVSS 2.0 Medium EPSS 2.0% · top 20.0%
4.3CVSS 2.0 base score
2.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References
16 Jun 2026Last modified by NVD

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.

AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/25098
http://secunia.com/advisories/25743
http://support.avaya.com/elmodocs2/security/ASA-2007-248.htm
http://www.redhat.com/support/errata/RHSA-2007-0252.html
http://www.securityfocus.com/bid/23742
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=171838
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11499
http://secunia.com/advisories/25098
http://secunia.com/advisories/25743
http://support.avaya.com/elmodocs2/security/ASA-2007-248.htm
http://www.redhat.com/support/errata/RHSA-2007-0252.html
http://www.securityfocus.com/bid/23742
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=171838
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11499

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2003-0694Sendmail prescan buffer overflow allows remote code executionThe prescan function in Sendmail 8.12.9 contains a buffer overflow reachable through crafted email addresses, as demonstrated via the parseaddr funct…EPSS 66%analysed10.0CVE-2003-0161Sendmail vulnerabilityThe prescan() function in the address parser (parseaddr.c) in Sendmail before 8.12.9 does not properly handle certain conversions from char and int t…EPSS 39%10.0CVE-2002-1337Sendmail crackaddr buffer overflow allows remote code executionSendmail versions 5.79 through 8.12.7 contain a buffer overflow in the crackaddr function in headers.c, triggered by specially formatted sender and r…EPSS 73%analysed7.8CVE-2007-2246Sendmail vulnerabilityUnspecified vulnerability in HP-UX B.11.00 and B.11.11, when running sendmail 8.9.3 or 8.11.1; and HP-UX B.11.23 when running sendmail 8.11.1; allows…EPSS 2.3%7.6CVE-2006-0058Sendmail vulnerabilitySignal handler race condition in Sendmail 8.13.x before 8.13.6 allows remote attackers to execute arbitrary code by triggering timeouts in a way that…EPSS 29%7.5CVE-2009-4565Sendmail vulnerabilitysendmail before 8.14.4 does not properly handle a '\0' character in a Common Name (CN) field of an X.509 certificate, which (1) allows man-in-the-mid…EPSS 2.4%7.5CVE-2006-7175Sendmail vulnerabilityThe version of Sendmail 8.13.1-2 on Red Hat Enterprise Linux 4 Update 4 and earlier does not allow the administrator to disable SSLv2 encryption, whi…EPSS 0.82%7.5CVE-2006-4434Sendmail use after free vulnerabilityUse-after-free vulnerability in Sendmail before 8.13.8 allows remote attackers to cause a denial of service (crash) via a long "header line", which c…EPSS 4.5%

Source: NIST National Vulnerability Database (record CVE-2006-7176), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.