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CVE-2026-95208

7.5 HIGHpublic exploit available

Published 2026-10-08 · Updated 2026-10-08

AI risk analysis

Summary
wolfSSL's ConfirmNameConstraints() function incorrectly rejects valid certificates without Subject Alternative Names (SANs) when processing crafted CA certificates, leading to denial of service in TLS clients that use wolfSSL.
Exploitability
Exploitation is straightforward requiring only a malicious CA certificate with crafted name constraints, no authentication or user interaction needed to trigger the DoS condition.
Blast radius
The impact could be significant across all TLS clients using wolfSSL v5.9.1 or v5.9.2, potentially affecting web servers, email systems, IoT devices, and other applications that rely on this SSL/TLS library for secure communications.
Detection
No reliable host or network indicator is derivable from the published description.
Prioritized remediation
Upgrade to wolfSSL version 5.9.3 or later to address this denial of service vulnerability in the ConfirmNameConstraints() function.
dostlssslcertificate

Analysis generated locally by garnet-coder (no data left the box). AI-assisted — verify against primary sources before acting.

NVD description

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.

CVSS vector

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

Weaknesses

CWE-295

Public exploit & PoC references

All references

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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