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Vulnerability record · CVE-2014-3956 · published 4 June 2014

CVE-2014-3956: Freebsd information exposure vulnerability

Freebsd · Freebsd

The sm_close_on_exec function in conf.c in sendmail before 8.14.9 has arguments in the wrong order, and consequently skips setting expected FD_CLOEXEC flags, which allows local users to access unintended high-numbered file descriptors via a custom mail-delivery program.

1.9 CVSS 2.0 Low EPSS 0.64% · top 51.6% CWE-200 · Information exposure
1.9CVSS 2.0 base score
0.64%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
34References
17 Jun 2026Last modified by NVD

Description

The sm_close_on_exec function in conf.c in sendmail before 8.14.9 has arguments in the wrong order, and consequently skips setting expected FD_CLOEXEC flags, which allows local users to access unintended high-numbered file descriptors via a custom mail-delivery program.

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

Affected products

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

References

LinkTags
ftp://ftp.sendmail.org/pub/sendmail/RELEASE_NOTES Vendor Advisory
http://advisories.mageia.org/MGASA-2014-0270.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134349.html Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-06/msg00032.html
http://lists.opensuse.org/opensuse-updates/2014-06/msg00033.html
http://packetstormsecurity.com/files/126975/Slackware-Security-Advisory-sendmail-Updates.html Third Party AdvisoryVDB Entry
http://secunia.com/advisories/57455
http://secunia.com/advisories/58628
http://security.gentoo.org/glsa/glsa-201412-32.xml
http://www.freebsd.org/security/advisories/FreeBSD-SA-14%3A11.sendmail.asc
http://www.mandriva.com/security/advisories?name=MDVSA-2014:147
http://www.mandriva.com/security/advisories?name=MDVSA-2015:128
http://www.securityfocus.com/bid/67791 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1030331 Third Party AdvisoryVDB Entry
http://www.sendmail.com/sm/open_source/download/8.14.9/ PatchVendor Advisory
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2014&m=slackware-security.728644
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05216368 Third Party Advisory
ftp://ftp.sendmail.org/pub/sendmail/RELEASE_NOTES Vendor Advisory
http://advisories.mageia.org/MGASA-2014-0270.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134349.html Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-06/msg00032.html
http://lists.opensuse.org/opensuse-updates/2014-06/msg00033.html
http://packetstormsecurity.com/files/126975/Slackware-Security-Advisory-sendmail-Updates.html Third Party AdvisoryVDB Entry
http://secunia.com/advisories/57455
http://secunia.com/advisories/58628
http://security.gentoo.org/glsa/glsa-201412-32.xml
http://www.freebsd.org/security/advisories/FreeBSD-SA-14%3A11.sendmail.asc
http://www.mandriva.com/security/advisories?name=MDVSA-2014:147
http://www.mandriva.com/security/advisories?name=MDVSA-2015:128
http://www.securityfocus.com/bid/67791 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1030331 Third Party AdvisoryVDB Entry
http://www.sendmail.com/sm/open_source/download/8.14.9/ PatchVendor Advisory
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2014&m=slackware-security.728644
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05216368 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2014-3956), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.