CVE-2025-14831 MEDIUM

CVE-2025-14831: Gnutls: gnutls: denial of service via excessive resource consumption during certificate verification

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-407
Published February 9, 2026
Last update June 29, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

What the vulnerability does

01Description

A flaw was found in GnuTLS. This vulnerability allows a denial of service (DoS) by excessive CPU (Central Processing Unit) and memory consumption via specially crafted malicious certificates containing a large number of name constraints and subject alternative names (SANs).

Key dates

02Disclosure timeline

February 9, 2026 CVE published
June 29, 2026 Record updated