{"id":"CVE-2014-1492","url":"https://www.cyber-defence.io/tools/cve/CVE-2014-1492","generatedAt":"2026-10-27T18:55:44.135Z","title":"The cert_TestHostName function in lib/certdb/certdb.c in the certificate-checking implementation in Mozilla Network Security Services (NSS) before 3.16 accepts a wildcard character that is embedded in an internationalized domain name's U-label, which…","description":"The cert_TestHostName function in lib/certdb/certdb.c in the certificate-checking implementation in Mozilla Network Security Services (NSS) before 3.16 accepts a wildcard character that is embedded in an internationalized domain name's U-label, which might allow man-in-the-middle attackers to spoof SSL servers via a crafted certificate.","published":"2014-03-25T13:25:38.000Z","lastModified":"2026-06-17T00:05:00.000Z","status":"Modified","sourceIdentifier":"security@mozilla.org","cvss":{"version":"2.0","score":4.3,"severity":"MEDIUM","vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N"},"cwe":["CWE-20"],"affected":["mozilla/network security services"],"epss":{"score":0.01753,"percentile":0.77747,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (1.75%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761","source":"security@mozilla.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132437.html","source":"security@mozilla.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00006.html","source":"security@mozilla.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00015.html","source":"security@mozilla.org"},{"url":"http://lists.opensuse.org/opensuse-updates/2014-05/msg00010.html","source":"security@mozilla.org"},{"url":"http://lists.opensuse.org/opensuse-updates/2014-05/msg00033.html","source":"security@mozilla.org"},{"url":"http://seclists.org/fulldisclosure/2014/Dec/23","source":"security@mozilla.org"},{"url":"http://secunia.com/advisories/59866","source":"security@mozilla.org"},{"url":"http://secunia.com/advisories/60621","source":"security@mozilla.org"},{"url":"http://secunia.com/advisories/60794","source":"security@mozilla.org"},{"url":"http://www.debian.org/security/2014/dsa-2994","source":"security@mozilla.org"},{"url":"http://www.mozilla.org/security/announce/2014/mfsa2014-45.html","source":"security@mozilla.org"},{"url":"http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html","source":"security@mozilla.org"},{"url":"http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html","source":"security@mozilla.org"},{"url":"http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html","source":"security@mozilla.org"},{"url":"http://www.oracle.com/technetwork/topics/security/cpuoct2014-1972960.html","source":"security@mozilla.org"},{"url":"http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html","source":"security@mozilla.org"},{"url":"http://www.securityfocus.com/archive/1/534161/100/0/threaded","source":"security@mozilla.org"},{"url":"http://www.securityfocus.com/bid/66356","source":"security@mozilla.org"},{"url":"http://www.ubuntu.com/usn/USN-2159-1","source":"security@mozilla.org"},{"url":"http://www.ubuntu.com/usn/USN-2185-1","source":"security@mozilla.org"},{"url":"http://www.vmware.com/security/advisories/VMSA-2014-0012.html","source":"security@mozilla.org"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=903885","source":"security@mozilla.org"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1079851","source":"security@mozilla.org"},{"url":"https://developer.mozilla.org/en-US/docs/NSS/NSS_3.16_release_notes","source":"security@mozilla.org"},{"url":"https://hg.mozilla.org/projects/nss/rev/709d4e597979","tags":["Exploit","Patch"],"source":"security@mozilla.org"},{"url":"https://security.gentoo.org/glsa/201504-01","source":"security@mozilla.org"},{"url":"http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132437.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00006.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00015.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2014-05/msg00010.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2014-05/msg00033.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://seclists.org/fulldisclosure/2014/Dec/23","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/59866","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/60621","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/60794","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2014/dsa-2994","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.mozilla.org/security/announce/2014/mfsa2014-45.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/topics/security/cpuoct2014-1972960.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/534161/100/0/threaded","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/66356","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2159-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2185-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vmware.com/security/advisories/VMSA-2014-0012.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=903885","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1079851","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://developer.mozilla.org/en-US/docs/NSS/NSS_3.16_release_notes","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://hg.mozilla.org/projects/nss/rev/709d4e597979","tags":["Exploit","Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201504-01","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2014-1492","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}