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CVE-2013-4466

15
FAUCET Score

CVE-2013-4466 describes a buffer overflow in the dane_query_tlsa function within the DANE library (libdane) of GnuTLS versions 3.1.x before 3.1.15 and 3.2.x before 3.2.5. This vulnerability allows remote servers to trigger a denial of service through memory corruption by sending a response containing more than four DANE entries. With a CVSS score of 5.0 (AV:N/AC:L/Au:N/C:N/I:N/A:P), it is a medium severity issue, easily exploitable over the network with low complexity, leading to availability impact. There is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage, indicating low current attention.

Impacted Technologies

VendorProductVersion(s)CPE
3.1.0CPE matchmatch criteria
cpe:2.3:a:gnu:gnutls:3.1.0:*:*:*:*:*:*:*
3.1.1CPE matchmatch criteria
cpe:2.3:a:gnu:gnutls:3.1.1:*:*:*:*:*:*:*
3.1.2CPE matchmatch criteria
cpe:2.3:a:gnu:gnutls:3.1.2:*:*:*:*:*:*:*
3.1.3CPE matchmatch criteria
cpe:2.3:a:gnu:gnutls:3.1.3:*:*:*:*:*:*:*
3.1.4CPE matchmatch criteria
cpe:2.3:a:gnu:gnutls:3.1.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.98%
Probability of exploitation in next 30 days
EPSS Percentile
78.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0198 is in the 67th percentile among its peer group of 23,723 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2013-4466Moderate

gnutls: dane_query_tlsa() buffer overflow (GNUTLS-SA-2013-3)

Oct 23, 2013

References

article.gmane.org / gmane.comp.encryption.gpg.gnutls.devel/7049
Patch
article.gmane.org / gmane.comp.encryption.gpg.gnutls.devel/7050
Patch
gnutls.org / security.html
Vendor Advisory
openwall.com / lists/oss-security/2013/10/25/2