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CVE-2014-0467

16
FAUCET Score

CVE-2014-0467 describes a buffer overflow vulnerability in Mutt before version 1.5.23, specifically within the copy.c component, affecting Mutt and openSUSE distributions. This flaw allows remote attackers to trigger a denial of service (crash) by sending a specially crafted RFC2047 header line, related to address expansion. The vulnerability has a CVSS score of 5.0, indicating a medium severity with low attack complexity and no authentication required, leading to potential availability impact. There is no evidence of active exploitation, no public exploit code available (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage, suggesting a low current threat landscape.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.5.22CPE matchmatch criteria
cpe:2.3:a:mutt:mutt:*:*:*:*:*:*:*:*
1.5CPE matchmatch criteria
cpe:2.3:a:mutt:mutt:1.5:*:*:*:*:*:*:*
1.5.1CPE matchmatch criteria
cpe:2.3:a:mutt:mutt:1.5.1:*:*:*:*:*:*:*
1.5.2CPE matchmatch criteria
cpe:2.3:a:mutt:mutt:1.5.2:*:*:*:*:*:*:*
1.5.3CPE matchmatch criteria
cpe:2.3:a:mutt:mutt:1.5.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.16%
Probability of exploitation in next 30 days
EPSS Percentile
91.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0515 is in the 88th percentile among its peer group of 23,723 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: mutt-5:1.5.20-4.20091214hg736b6a.el6_5
View patch

Vendor Advisories (1)

redhatCVE-2014-0467Important

mutt: heap-based buffer overflow when parsing certain headers

May 18, 2013

References

lists.opensuse.org / opensuse-security-announce/2014-04/msg00001.html
lists.opensuse.org / opensuse-updates/2014-03/msg00083.html
lists.opensuse.org / opensuse-updates/2014-03/msg00085.html
rhn.redhat.com / errata/RHSA-2014-0304.html
debian.org / security/2014/dsa-2874
mutt.org / doc/devel/ChangeLog
securityfocus.com / bid/66165
securitytracker.com / id/1029919
ubuntu.com / usn/USN-2147-1