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CVE-2013-4487

15
FAUCET Score

CVE-2013-4487 is an off-by-one error in the DANE library (libdane) of GnuTLS versions 3.1.x before 3.1.16 and 3.2.x before 3.2.6, affecting products like GNU GnuTLS and openSUSE. This vulnerability allows remote servers to trigger a denial of service through memory corruption by sending a response with more than four DANE entries. With a CVSS score of 5.0, it is a low-severity vulnerability that can be exploited remotely with low attack complexity and no authentication, leading to availability impact. There is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.2.0CPE matchmatch criteria
cpe:2.3:a:gnu:gnutls:3.2.0:*:*:*:*:*:*:*
3.2.1CPE matchmatch criteria
cpe:2.3:a:gnu:gnutls:3.2.1:*:*:*:*:*:*:*
3.2.2CPE matchmatch criteria
cpe:2.3:a:gnu:gnutls:3.2.2:*:*:*:*:*:*:*
3.2.3CPE matchmatch criteria
cpe:2.3:a:gnu:gnutls:3.2.3:*:*:*:*:*:*:*
3.2.4CPE matchmatch criteria
cpe:2.3:a:gnu:gnutls:3.2.4:*:*:*:*:*:*:*

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
1.92%
Probability of exploitation in next 30 days
EPSS Percentile
77.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0192 is in the 66th percentile among its peer group of 23,725 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

No media coverage found for this CVE.

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-2013-4487Moderate

gnutls: dane_query_tlsa() CVE-2013-4466 fix off-by-one

Oct 29, 2013

References

lists.opensuse.org / opensuse-updates/2013-11/msg00064.html
gitorious.org / gnutls/gnutls/commit/0dd5529509e46b11d5c0f3f26f99294e0e5fa6dc
ExploitPatch
openwall.com / lists/oss-security/2013/10/31/4
Patch