How severe is CVE-2013-4466?

CVE-2013-4466 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2013-4466 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4466?

CVE-2013-4466 primarily affects Gnu Gnutls. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-4466?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-4466 published?

CVE-2013-4466 was published on 2013-11-20 and last updated on 2026-06-16.

CVE-2013-4466

CVE-2013-4466 is a medium-severity vulnerability in Gnu Gnutls with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Gnu Gnutls
Published: 2013-11-20
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2013-4466?: 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.
How severe is CVE-2013-4466?: CVE-2013-4466 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2013-4466 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4466?: CVE-2013-4466 primarily affects Gnu Gnutls. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-4466?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-4466 published?: CVE-2013-4466 was published on 2013-11-20 and last updated on 2026-06-16.

References

Affected products (20)

cpe:2.3:a:gnu:gnutls:3.1.0:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.1.1:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.1.2:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.1.3:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.1.4:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.1.5:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.1.6:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.1.7:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.1.8:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.1.9:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.1.10:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.1.11:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.1.12:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.1.13:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.1.14:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.2.0:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.2.1:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.2.2:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.2.3:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.2.4:*:*:*:*:*:*:*

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