The sm_close_on_exec function in conf.c in sendmail before 8.14.9 has arguments in the…
Priority LOW 11CWE-200Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Partial · None · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-200.
Summary
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.
Why it matters now
EPSS 0.0063 50th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 56
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:freebsd:freebsd:*:-:*:*:*:*:*:* | up to 9.2 | Vulnerable | FreeBSD |
| cpe:2.3:a:hp:hpux:*:*:*:*:*:*:*:* | up to b.11.31 | Vulnerable | Hewlett Packard Enterprise |
| cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:* | 20 | Vulnerable | Fedoraproject |
| cpe:2.3:a:sendmail:sendmail:*:*:*:*:*:*:*:* | up to 8.14.8 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.6.7:*:*:*:*:*:*:* | 8.6.7 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.7.6:*:*:*:*:*:*:* | 8.7.6 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.7.7:*:*:*:*:*:*:* | 8.7.7 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.7.8:*:*:*:*:*:*:* | 8.7.8 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.7.9:*:*:*:*:*:*:* | 8.7.9 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.7.10:*:*:*:*:*:*:* | 8.7.10 | Vulnerable | Sendmail |
- cpe:2.3:o:freebsd:freebsd:*:-:*:*:*:*:*:* Versions up to 9.2 Vulnerable ·FreeBSD
- cpe:2.3:a:hp:hpux:*:*:*:*:*:*:*:* Versions up to b.11.31 Vulnerable ·Hewlett Packard Enterprise
- cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:* Versions 20 Vulnerable ·Fedoraproject
- cpe:2.3:a:sendmail:sendmail:*:*:*:*:*:*:*:* Versions up to 8.14.8 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.6.7:*:*:*:*:*:*:* Versions 8.6.7 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.7.6:*:*:*:*:*:*:* Versions 8.7.6 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.7.7:*:*:*:*:*:*:* Versions 8.7.7 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.7.8:*:*:*:*:*:*:* Versions 8.7.8 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.7.9:*:*:*:*:*:*:* Versions 8.7.9 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.7.10:*:*:*:*:*:*:* Versions 8.7.10 Vulnerable ·Sendmail
Show 46 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:sendmail:sendmail:8.8.8:*:*:*:*:*:*:* | 8.8.8 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.9.0:*:*:*:*:*:*:* | 8.9.0 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.9.1:*:*:*:*:*:*:* | 8.9.1 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.9.2:*:*:*:*:*:*:* | 8.9.2 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.9.3:*:*:*:*:*:*:* | 8.9.3 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.10:*:*:*:*:*:*:* | 8.10 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.10.0:*:*:*:*:*:*:* | 8.10.0 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.10.1:*:*:*:*:*:*:* | 8.10.1 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.10.2:*:*:*:*:*:*:* | 8.10.2 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.11.0:*:*:*:*:*:*:* | 8.11.0 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.11.1:*:*:*:*:*:*:* | 8.11.1 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.11.2:*:*:*:*:*:*:* | 8.11.2 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.11.3:*:*:*:*:*:*:* | 8.11.3 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.11.4:*:*:*:*:*:*:* | 8.11.4 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.11.5:*:*:*:*:*:*:* | 8.11.5 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.11.6:*:*:*:*:*:*:* | 8.11.6 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.11.7:*:*:*:*:*:*:* | 8.11.7 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12.0:*:*:*:*:*:*:* | 8.12.0 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12.1:*:*:*:*:*:*:* | 8.12.1 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12.2:*:*:*:*:*:*:* | 8.12.2 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12.3:*:*:*:*:*:*:* | 8.12.3 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12.4:*:*:*:*:*:*:* | 8.12.4 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12.5:*:*:*:*:*:*:* | 8.12.5 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12.6:*:*:*:*:*:*:* | 8.12.6 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12.7:*:*:*:*:*:*:* | 8.12.7 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12.8:*:*:*:*:*:*:* | 8.12.8 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12.9:*:*:*:*:*:*:* | 8.12.9 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12.10:*:*:*:*:*:*:* | 8.12.10 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.12.11:*:*:*:*:*:*:* | 8.12.11 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.13.0:*:*:*:*:*:*:* | 8.13.0 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.13.1:*:*:*:*:*:*:* | 8.13.1 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.13.2:*:*:*:*:*:*:* | 8.13.2 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.13.3:*:*:*:*:*:*:* | 8.13.3 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.13.4:*:*:*:*:*:*:* | 8.13.4 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.13.5:*:*:*:*:*:*:* | 8.13.5 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.13.6:*:*:*:*:*:*:* | 8.13.6 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.13.7:*:*:*:*:*:*:* | 8.13.7 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.13.8:*:*:*:*:*:*:* | 8.13.8 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.14.0:*:*:*:*:*:*:* | 8.14.0 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.14.1:*:*:*:*:*:*:* | 8.14.1 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.14.2:*:*:*:*:*:*:* | 8.14.2 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.14.3:*:*:*:*:*:*:* | 8.14.3 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.14.4:*:*:*:*:*:*:* | 8.14.4 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.14.5:*:*:*:*:*:*:* | 8.14.5 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.14.6:*:*:*:*:*:*:* | 8.14.6 | Vulnerable | Sendmail |
| cpe:2.3:a:sendmail:sendmail:8.14.7:*:*:*:*:*:*:* | 8.14.7 | Vulnerable | Sendmail |
- cpe:2.3:a:sendmail:sendmail:8.8.8:*:*:*:*:*:*:* Versions 8.8.8 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.9.0:*:*:*:*:*:*:* Versions 8.9.0 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.9.1:*:*:*:*:*:*:* Versions 8.9.1 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.9.2:*:*:*:*:*:*:* Versions 8.9.2 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.9.3:*:*:*:*:*:*:* Versions 8.9.3 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.10:*:*:*:*:*:*:* Versions 8.10 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.10.0:*:*:*:*:*:*:* Versions 8.10.0 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.10.1:*:*:*:*:*:*:* Versions 8.10.1 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.10.2:*:*:*:*:*:*:* Versions 8.10.2 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.11.0:*:*:*:*:*:*:* Versions 8.11.0 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.11.1:*:*:*:*:*:*:* Versions 8.11.1 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.11.2:*:*:*:*:*:*:* Versions 8.11.2 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.11.3:*:*:*:*:*:*:* Versions 8.11.3 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.11.4:*:*:*:*:*:*:* Versions 8.11.4 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.11.5:*:*:*:*:*:*:* Versions 8.11.5 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.11.6:*:*:*:*:*:*:* Versions 8.11.6 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.11.7:*:*:*:*:*:*:* Versions 8.11.7 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12.0:*:*:*:*:*:*:* Versions 8.12.0 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12.1:*:*:*:*:*:*:* Versions 8.12.1 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12.2:*:*:*:*:*:*:* Versions 8.12.2 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12.3:*:*:*:*:*:*:* Versions 8.12.3 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12.4:*:*:*:*:*:*:* Versions 8.12.4 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12.5:*:*:*:*:*:*:* Versions 8.12.5 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12.6:*:*:*:*:*:*:* Versions 8.12.6 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12.7:*:*:*:*:*:*:* Versions 8.12.7 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12.8:*:*:*:*:*:*:* Versions 8.12.8 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12.9:*:*:*:*:*:*:* Versions 8.12.9 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12.10:*:*:*:*:*:*:* Versions 8.12.10 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.12.11:*:*:*:*:*:*:* Versions 8.12.11 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.13.0:*:*:*:*:*:*:* Versions 8.13.0 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.13.1:*:*:*:*:*:*:* Versions 8.13.1 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.13.2:*:*:*:*:*:*:* Versions 8.13.2 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.13.3:*:*:*:*:*:*:* Versions 8.13.3 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.13.4:*:*:*:*:*:*:* Versions 8.13.4 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.13.5:*:*:*:*:*:*:* Versions 8.13.5 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.13.6:*:*:*:*:*:*:* Versions 8.13.6 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.13.7:*:*:*:*:*:*:* Versions 8.13.7 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.13.8:*:*:*:*:*:*:* Versions 8.13.8 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.14.0:*:*:*:*:*:*:* Versions 8.14.0 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.14.1:*:*:*:*:*:*:* Versions 8.14.1 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.14.2:*:*:*:*:*:*:* Versions 8.14.2 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.14.3:*:*:*:*:*:*:* Versions 8.14.3 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.14.4:*:*:*:*:*:*:* Versions 8.14.4 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.14.5:*:*:*:*:*:*:* Versions 8.14.5 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.14.6:*:*:*:*:*:*:* Versions 8.14.6 Vulnerable ·Sendmail
- cpe:2.3:a:sendmail:sendmail:8.14.7:*:*:*:*:*:*:* Versions 8.14.7 Vulnerable ·Sendmail
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 4 | Affected | No fix yet |
| Red Hat Enterprise Linux 5 | Affected | No fix yet |
| Red Hat Enterprise Linux 6 | Affected | No fix yet |
| Red Hat Enterprise Linux 7 | Affected | No fix yet |
Timeline
- 2026-10-02 Threatist record created from CVE-2014-3956
- 2026-10-03 Alias added: GHSA-frwj-4rf4-3wjf
- 2026-10-25 EPSS moved to the 50th–90th percentile
References
Advisory 11
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05216368
- FreeBSD-SA-14:11
- MDVSA-2015:128
- http://packetstormsecurity.com/files/126975/Slackware-Security-Advisory-sendmail-Updates.html
- GLSA-201412-32
- openSUSE-SU-2014:0804
- MDVSA-2014:147
- FEDORA-2014-7093
- openSUSE-SU-2014:0805
- http://advisories.mageia.org/MGASA-2014-0270.html
- SSA:2014-156-04
Sources
- CVE-2014-3956 · CVE Program
- CVE-2014-3956 · NVD
- FIRST EPSS
- GHSA-frwj-4rf4-3wjf · GitHub Advisory Database · CC BY 4.0
- CVE-2014-3956 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences