Is CVE-2014-9116 being actively exploited?

CVE-2014-9116 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2014-9116?

CVE-2014-9116 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2014-9116

MEDIUM · CVSS 5.0EPSS 9.7%EU EUVD

The write_one_header function in mutt 1.5.23 does not properly handle newline characters at the beginning of a header, which allows remote attackers to cause a denial of service (crash) via a header with an empty body, which triggers a heap-based buffer overflow in the mutt_substrdup function.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness (CWE): CWE-119
EPSS score: 9.7% (96th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2014-8942)
Published: December 2, 2014
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-8942 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

debian / debian linux
mageia / mageia
mutt / mutt
suse / linux enterprise desktop
suse / suse linux enterprise server

Certified products that may be affected

2 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

SUSE Linux Enterprise Server 12 SP2 - NSS Cryptographic Module - SUSE, LLC - FIPS 140 3216 - historical
SUSE Linux Enterprise Server Version 12 - SUSE LLC - Common Criteria BSI-DSZ-CC-0962-2016 - archived

References

http://advisories.mageia.org/MGASA-2014-0509.html(Third Party Advisory)
http://dev.mutt.org/trac/ticket/3716(Issue Tracking, Vendor Advisory)
http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00002.html(Third Party Advisory)
http://www.debian.org/security/2014/dsa-3083(Third Party Advisory)
http://www.mandriva.com/security/advisories?name=MDVSA-2014:245(Broken Link)
http://www.mandriva.com/security/advisories?name=MDVSA-2015:078(Broken Link)
http://www.openwall.com/lists/oss-security/2014/11/27/5(Exploit, Mailing List, Third Party Advisory)
http://www.openwall.com/lists/oss-security/2014/11/27/9(Mailing List, Third Party Advisory)
http://www.securityfocus.com/bid/71334(Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id/1031266(Third Party Advisory, VDB Entry)
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=771125(Exploit, Issue Tracking)
https://bugzilla.redhat.com/show_bug.cgi?id=1168463(Exploit, Issue Tracking)
https://security.gentoo.org/glsa/201701-04

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

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