Linux Distros Unpatched Vulnerability : CVE-2025-14831

medium Nessus Plugin ID 298391

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Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

- 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). (CVE-2025-14831)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

Plugin Details

Severity: Medium

ID: 298391

File Name: unpatched_CVE_2025_14831.nasl

Version: 1.11

Type: local

Agent: unix

Family: Misc.

Published: 2/9/2026

Updated: 3/4/2026

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.2

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 4.3

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2025-14831

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Temporal Vector: CVSS:3.0/E:U/RL:U/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:centos:centos:gnutls-guile, cpe:/o:redhat:enterprise_linux:6, p-cpe:/a:canonical:ubuntu_linux:gnutls28, p-cpe:/a:centos:centos:gnutls-utils, p-cpe:/a:centos:centos:gnutls-dane, cpe:/o:redhat:enterprise_linux:9, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:centos:centos:8, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:gnutls, p-cpe:/a:centos:centos:gnutls-devel, p-cpe:/a:redhat:enterprise_linux:gnutls-guile, p-cpe:/a:centos:centos:gnutls-c%2b%2b, cpe:/o:centos:centos:7, p-cpe:/a:centos:centos:gnutls, p-cpe:/a:redhat:enterprise_linux:gnutls-dane, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:gnutls-c%2b%2b, p-cpe:/a:redhat:enterprise_linux:gnutls-utils, p-cpe:/a:redhat:enterprise_linux:gnutls-devel

Required KB Items: Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 2/9/2026

Reference Information

CVE: CVE-2025-14831

Detections

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