{"id":"CVE-2014-8155","aliases":["DLA-180-1","EUVD-2014-7996","GHSA-q3j8-fx5r-2c6f","RHSA-2015:1457","SUSE-SU-2015:0675-1"],"status":"published","title":"GnuTLS before 2.9.10 does not verify the activation and expiration dates of CA certificates,...","description":"GnuTLS before 2.9.10 does not verify the activation and expiration dates of CA certificates, which allows man-in-the-middle attackers to spoof servers via a certificate issued by a CA certificate that is (1) not yet valid or (2) no longer valid.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01046,"percentile":0.64377,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-17"],"published":"2014-06-03T20:02:07Z","modified":"2026-06-26T12:21:49Z","affected":[{"source":"osv","ecosystem":"Debian:6.0","package":"gnutls26","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.6-1+squeeze5"}]}],"versions":["2.8.6-1","2.8.6-1+squeeze1","2.8.6-1+squeeze2","2.8.6-1+squeeze3","2.8.6-1+squeeze4"],"bundled":3},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"gnutls-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.8.5-18.el6"}]}],"bundled":3},{"source":"osv","ecosystem":"Red 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Hat:enterprise_linux:6::workstation","package":"gnutls-utils","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.8.5-18.el6"}]}],"bundled":3}],"products":[{"vendor":"gnu","product":"gnutls"}],"references":[{"url":"http://www.securityfocus.com/bid/73317","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://rhn.redhat.com/errata/RHSA-2015-1457.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://gitlab.com/gnutls/gnutls/commit/897cbce62c0263a498088ac3e465aa5f05f8719c","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://support.f5.com/csp/article/K53330207","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2014-8155","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2015:1457","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2014-8155","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1197995","tags":["report"]},{"url":"https://github.com/advisories/GHSA-q3j8-fx5r-2c6f"},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1036385","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1194371","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1196323","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2015/rhsa-2015_1457.json","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2014-8155","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2015-0282","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-0282","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-0282","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2015-0294","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-0294","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-0294","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2015/suse-su-20150675-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/821818","tags":["report"]},{"url":"https://bugzilla.suse.com/835760","tags":["report"]},{"url":"https://bugzilla.suse.com/865804","tags":["report"]},{"url":"https://bugzilla.suse.com/865993","tags":["report"]},{"url":"https://bugzilla.suse.com/880730","tags":["report"]},{"url":"https://bugzilla.suse.com/880910","tags":["report"]},{"url":"https://bugzilla.suse.com/919938","tags":["report"]},{"url":"https://bugzilla.suse.com/921684","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2009-5138","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-2116","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-0092","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-3466","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-8155","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-0282","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-0294","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2014-8155","description":"GnuTLS before 2.9.10 does not verify the activation and expiration dates of CA certificates, which allows man-in-the-middle attackers to spoof servers via a certificate issued by a CA certificate that is (1) not yet valid or (2) no longer valid.","status":"published","published":"2015-08-14T18:00:00Z","modified":"2024-08-06T13:10:50.869Z","updated_at":"2026-11-02T14:33:43.206348Z"}],"euvd":[{"id":"EUVD-2014-7996","description":"GnuTLS before 2.9.10 does not verify the activation and expiration dates of CA certificates, which allows man-in-the-middle attackers to spoof servers via a certificate issued by a CA certificate that is (1) not yet valid or (2) no longer valid.","status":"published","published":"2015-08-14T18:00:00Z","modified":"2024-08-06T13:10:50Z","updated_at":"2026-11-03T01:56:52.951821Z"}],"ghsa":[{"id":"GHSA-q3j8-fx5r-2c6f","title":"GnuTLS before 2.9.10 does not verify the activation and expiration dates of CA certificates,...","description":"GnuTLS before 2.9.10 does not verify the activation and expiration dates of CA certificates, which allows man-in-the-middle attackers to spoof servers via a certificate issued by a CA certificate that is (1) not yet valid or (2) no longer valid.","status":"published","published":"2022-05-14T01:11:27Z","modified":"2023-02-10T05:06:46Z","updated_at":"2026-11-02T14:54:02.847747Z"}],"nvd":[{"id":"CVE-2014-8155","description":"GnuTLS before 2.9.10 does not verify the activation and expiration dates of CA certificates, which allows man-in-the-middle attackers to spoof servers via a certificate issued by a CA certificate that is (1) not yet valid or (2) no longer valid.","status":"published","published":"2015-08-14T18:59:01.347Z","modified":"2026-06-17T00:16:23.75Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-17"],"updated_at":"2026-11-02T14:02:58.385843Z"}],"osv":[{"id":"DLA-180-1","title":"gnutls26 - security update","status":"published","published":"2015-03-25T00:00:00Z","modified":"2026-03-09T01:23:20.361353Z","updated_at":"2026-11-02T15:46:09.777694Z"},{"id":"RHSA-2015:1457","title":"Red Hat Security Advisory: gnutls security and bug fix update","status":"published","published":"2024-09-15T22:18:32Z","modified":"2026-06-26T12:21:49.257993576Z","updated_at":"2026-11-02T15:53:03.182161Z"},{"id":"SUSE-SU-2015:0675-1","title":"Security update for gnutls","description":"\nGnuTLS has been patched to ensure proper parsing of session ids during the \nTLS/SSL handshake. Additionally, three issues inherited from libtasn1 have \nbeen fixed.\n\nFurther information is available at \nhttp://www.gnutls.org/security.html#GNUTLS-SA-2014-3\n\u003chttp://www.gnutls.org/security.html#GNUTLS-SA-2014-3\u003e\n\nThese security issues have been fixed:\n\n    * Possible memory corruption during connect (CVE-2014-3466)\n    * Multiple boundary check issues could allow DoS (CVE-2014-3467)\n    * asn1_get_bit_der() can return negative bit length (CVE-2014-3468)\n    * Possible DoS by NULL pointer dereference (CVE-2014-3469)\n\nSecurity Issue references:\n\n    * CVE-2014-3466\n      \u003chttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3466\u003e\n\n","status":"published","published":"2014-06-03T20:02:07Z","modified":"2026-02-04T02:21:56.022429Z","updated_at":"2026-11-02T15:53:41.276824Z"}]}}