---
id: CVE-2026-95208
title: >-
  An issue in the ConfirmNameConstraints() function (wolfcrypt/src/asn.c) of
  wolfSSL v5.9.1 and v5.9.2 allows attackers to cause a Denial of Service (DoS)
  via providing crafted Certificate Authority certificates, leading to valid
  certifica…
summary: >-
  An issue in the ConfirmNameConstraints() function (wolfcrypt/src/asn.c) of
  wolfSSL v5.9.1 and v5.9.2 allows attackers to cause a Denial of Service (DoS)
  via providing crafted Certificate Authority certificates, leading to valid
  certifica…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-295
published: '2026-10-08'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T21:34:48.800'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-95208'
references:
  - url: 'http://wolfssl.com'
    label: cve@mitre.org
  - url: 'https://gist.github.com/lkloliver/14edf8bbfbf5769949b85c7f5cc2eba2'
    label: cve@mitre.org
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-08T16:52:14.773Z'
---

## Overview

An issue in the ConfirmNameConstraints() function (wolfcrypt/src/asn.c) of wolfSSL v5.9.1 and v5.9.2 allows attackers to cause a Denial of Service (DoS) via providing crafted Certificate Authority certificates, leading to valid certificates without SAN to be incorrectly rejected by wolfSSL-based TLS clients.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.