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Vulnerability record · CVE-2014-3951 · published 21 August 2014

CVE-2014-3951: Freebsd vulnerability

Freebsd · Freebsd

The HZ module in the iconv implementation in FreeBSD 10.0 before p6 and NetBSD allows context-dependent attackers to cause a denial of service (NULL pointer dereference) via a crafted argument to the iconv_open function. NOTE: this issue was SPLIT per ADT2 due to different vulnerability types. CVE-2014-5384 is used for the NULL pointer dereference.

5.0 CVSS 2.0 Medium EPSS 1.8% · top 23.0%
5.0CVSS 2.0 base score
1.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

The HZ module in the iconv implementation in FreeBSD 10.0 before p6 and NetBSD allows context-dependent attackers to cause a denial of service (NULL pointer dereference) via a crafted argument to the iconv_open function. NOTE: this issue was SPLIT per ADT2 due to different vulnerability types. CVE-2014-5384 is used for the NULL pointer dereference.

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

Affected products

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

References

LinkTags
http://mail-index.netbsd.org/source-changes/2014/06/24/msg055822.html
http://www.freebsd.org/security/advisories/FreeBSD-SA-14:15.iconv.asc Vendor Advisory
http://www.securitytracker.com/id/1030458
http://mail-index.netbsd.org/source-changes/2014/06/24/msg055822.html
http://www.freebsd.org/security/advisories/FreeBSD-SA-14:15.iconv.asc Vendor Advisory
http://www.securitytracker.com/id/1030458

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2014-3951), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.