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Vulnerability record · CVE-2014-3466 · published 3 June 2014

CVE-2014-3466: Gnutls memory buffer overflow vulnerability

Gnu · Gnutls

Buffer overflow in the read_server_hello function in lib/gnutls_handshake.c in GnuTLS before 3.1.25, 3.2.x before 3.2.15, and 3.3.x before 3.3.4 allows remote servers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a long session id in a ServerHello message.

6.8 CVSS 2.0 Medium EPSS 11% · top 4.2% CWE-119 · Memory buffer overflow
6.8CVSS 2.0 base score
11%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
66References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

Buffer overflow in the read_server_hello function in lib/gnutls_handshake.c in GnuTLS before 3.1.25, 3.2.x before 3.2.15, and 3.3.x before 3.3.4 allows remote servers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a long session id in a ServerHello message.

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

Affected products

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

References

LinkTags
http://linux.oracle.com/errata/ELSA-2014-0594.html
http://linux.oracle.com/errata/ELSA-2014-0595.html
http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00007.html
http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00015.html
http://radare.today/technical-analysis-of-the-gnutls-hello-vulnerability/ ExploitURL Repurposed
http://rhn.redhat.com/errata/RHSA-2014-0594.html
http://rhn.redhat.com/errata/RHSA-2014-0595.html
http://rhn.redhat.com/errata/RHSA-2014-0684.html
http://rhn.redhat.com/errata/RHSA-2014-0815.html
http://secunia.com/advisories/58340
http://secunia.com/advisories/58598
http://secunia.com/advisories/58601
http://secunia.com/advisories/58642
http://secunia.com/advisories/59016
http://secunia.com/advisories/59021
http://secunia.com/advisories/59057
http://secunia.com/advisories/59086
http://secunia.com/advisories/59408
http://secunia.com/advisories/59838
http://secunia.com/advisories/60384
http://www-01.ibm.com/support/docview.wss?uid=swg21678776
http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5096155
http://www.debian.org/security/2014/dsa-2944
http://www.gnutls.org/security.html Vendor Advisory
http://www.novell.com/support/kb/doc.php?id=7015302
http://www.novell.com/support/kb/doc.php?id=7015303
http://www.securityfocus.com/bid/67741
http://www.securitytracker.com/id/1030314
http://www.ubuntu.com/usn/USN-2229-1
https://bugzilla.redhat.com/show_bug.cgi?id=1101932
https://www.gitorious.org/gnutls/gnutls/commit/688ea6428a432c39203d00acd1af0e7684e5ddfd ExploitPatch
http://linux.oracle.com/errata/ELSA-2014-0594.html
http://linux.oracle.com/errata/ELSA-2014-0595.html
http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00007.html
http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00015.html
http://radare.today/technical-analysis-of-the-gnutls-hello-vulnerability/ ExploitURL Repurposed

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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-2014-3466), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.