CVE-2026-6450 - Vulnerability Details - OpenCVE

ReportizFlow

A CRL critical extension bypass exists in ParseCRL_Extensions where critical extensions are not properly enforced, allowing a crafted CRL with an unhandled critical extension to be accepted. This only affects builds with CRL support enabled and where a crafted CRL had a trusted signature when parsed.

Attack Vector Adjacent Network

Attack Complexity High

Privileges Required High

Attack Requirements Present

User Interaction Passive

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Wolfssl	Wolfssl

No data.

No data.

References

Link	Providers
https://github.com/wolfSSL/wolfssl/pull/10239
https://www.wolfssl.com/docs/security-vulnerabilities/

History

Fri, 26 Jun 2026 13:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Fri, 26 Jun 2026 01:45:00 +0000

Type	Values Removed	Values Added
First Time appeared		Wolfssl Wolfssl wolfssl
Vendors & Products		Wolfssl Wolfssl wolfssl

Thu, 25 Jun 2026 21:00:00 +0000

Type	Values Removed	Values Added
Description		A CRL critical extension bypass exists in ParseCRL_Extensions where critical extensions are not properly enforced, allowing a crafted CRL with an unhandled critical extension to be accepted. This only affects builds with CRL support enabled and where a crafted CRL had a trusted signature when parsed.
Title		CRL critical extension bypass in ParseCRL_Extensions
Weaknesses		CWE-295
References		https://github.com/wolfSSL/wolfssl/pull/10239 https://www.wolfssl.com/docs/security-vulnerabilities/
Metrics		cvssV4_0 `{'score': 1, 'vector': 'CVSS:4.0/AV:A/AC:H/AT:P/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}`

MITRE

Status: PUBLISHED

Assigner: wolfSSL

Published: 2026-06-25T20:18:53.909Z

Updated: 2026-06-26T13:11:51.371Z

Reserved: 2026-04-16T19:15:04.573Z

Link: CVE-2026-6450

Vulnrichment

Updated: 2026-06-26T13:11:48.800Z

NVD

No data.

Redhat

No data.

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