CVE-2013-4487

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2013-11-20 · updated 2026-06-16
Weakness: CWE-189

Description

Off-by-one error in the dane_raw_tlsa in the DANE library (libdane) in GnuTLS 3.1.x before 3.1.16 and 3.2.x before 3.2.6 allows remote servers to cause a denial of service (memory corruption) via a response with more than four DANE entries. NOTE: this issue is due to an incomplete fix for CVE-2013-4466.

Affected products

[UNKNOWN] gnutls: 3.2.0, 3.2.1, 3.2.2, 3.2.3, 3.2.4, 3.2.5 (+16)
Opensuse: 13.1

References

http://lists.opensuse.org/opensuse-updates/2013-11/msg00064.html
http://www.openwall.com/lists/oss-security/2013/10/31/4
https://gitorious.org/gnutls/gnutls/commit/0dd5529509e46b11d5c0f3f26f99294e0e5fa6dc
http://lists.opensuse.org/opensuse-updates/2013-11/msg00064.html
http://www.openwall.com/lists/oss-security/2013/10/31/4
https://gitorious.org/gnutls/gnutls/commit/0dd5529509e46b11d5c0f3f26f99294e0e5fa6dc

Get alerted when CVE-2013-4487 or the next vulnerability affects your stack