Public Date:
1022913: CVE-2013-4466 gnutls: dane_query_tlsa() buffer overflow (GNUTLS-SA-2013-3)

The MITRE CVE dictionary describes this issue as:

Buffer overflow in the dane_query_tlsa function in the DANE library (libdane) in GnuTLS 3.1.x before 3.1.15 and 3.2.x before 3.2.5 allows remote servers to cause a denial of service (memory corruption) via a response with more than four DANE entries.

Find out more about CVE-2013-4466 from the MITRE CVE dictionary dictionary and NIST NVD.


Not vulnerable. This issue did not affect the versions of gnutls as shipped with Red Hat Enterprise Linux 5 and 6 as they did not include support for DANE protocol.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 6.8
Base Metrics AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 6 gnutls Not affected
Red Hat Enterprise Linux 6 mingw32-gnutls Not affected
Red Hat Enterprise Linux 7 gnutls Not affected
Red Hat Enterprise Linux 5 gnutls Not affected