CVE-2014-8564

What it is

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.

At a glance

Exploitability

Can be exploited over the network without logging in. Limited direct impact.

Exploit odds

3.3% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2014-11-13 21:32 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 00:16 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 3.3% in the next 30 days (EPSS).
• Severity: 5.0 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2014-11-13 21:32 UTC

Last modified

2026-06-17 00:16 UTC

Exploit probability

3.3% · EPSS, next 30 days

Weakness

CWE-310

Record status

Modified

Affected

• Gnu Gnutls 3.0
• Gnu Gnutls 3.0.0
• Gnu Gnutls 3.0.1
• Gnu Gnutls 3.0.2
• Gnu Gnutls 3.0.3
• Gnu Gnutls 3.0.4
• Gnu Gnutls 3.0.5
• Gnu Gnutls 3.0.6

Attack profile CVSS 2.0 · 5.0

Attack vector

Network

Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

Is it in your code?

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