How severe is CVE-2014-8564?

CVE-2014-8564 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2014-8564 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-8564?

CVE-2014-8564 primarily affects Gnu Gnutls. In total, 99 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-8564?

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

When was CVE-2014-8564 published?

CVE-2014-8564 was published on 2014-11-13 and last updated on 2026-06-17.

CVE-2014-8564

CVE-2014-8564 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-310.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Gnu Gnutls
Published: 2014-11-13
Last modified: 2026-06-17

Description

The _gnutls_ecc_ansi_x963_export function in gnutls_ecc.c in GnuTLS 3.x before 3.1.28, 3.2.x before 3.2.20, and 3.3.x before 3.3.10 allows remote attackers to cause a denial of service (out-of-bounds write) via a crafted (1) Elliptic Curve Cryptography (ECC) certificate or (2) certificate signing requests (CSR), related to generating key IDs.

Frequently asked questions

What is CVE-2014-8564?: The _gnutls_ecc_ansi_x963_export function in gnutls_ecc.c in GnuTLS 3.x before 3.1.28, 3.2.x before 3.2.20, and 3.3.x before 3.3.10 allows remote attackers to cause a denial of service (out-of-bounds write) via a crafted (1) Elliptic Curve Cryptography (ECC) certificate or (2) certificate signing requests (CSR), related to generating key IDs.
How severe is CVE-2014-8564?: CVE-2014-8564 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2014-8564 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-8564?: CVE-2014-8564 primarily affects Gnu Gnutls. In total, 99 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-8564?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-8564 published?: CVE-2014-8564 was published on 2014-11-13 and last updated on 2026-06-17.

References

Affected products (99)

cpe:2.3:a:gnu:gnutls:3.0:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.3:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.4:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.5:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.6:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.7:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.8:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.9:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.10:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.11:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.12:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.13:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.14:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.15:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.16:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.17:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.18:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.19:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.20:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.21:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.22:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.23:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.24:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.25:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.26:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.27:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.0.28:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*

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