Vulnerability DatabaseCVE-2026-6450
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CVE-2026-6450
Published:June 25, 2026
Updated:June 29, 2026
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.
Affected Packages
https://github.com/wolfSSL/wolfssl.git (GITHUB):
Affected version(s) >=v3.9.10-stable <v5.9.2-stable
Fix Suggestion:
Update to version v5.9.2-stable
Related Resources (2)
https://github.com/wolfSSL/wolfssl/pull/10239
https://www.wolfssl.com/docs/security-vulnerabilities/
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CVSS v4
Base Score:
1
Attack Vector
ADJACENT
Attack Complexity
HIGH
Attack Requirements
PRESENT
Privileges Required
HIGH
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
POC
CVSS v3
Base Score:
1.8
Attack Vector
ADJACENT
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Exploit Maturity
PROOF-OF-CONCEPT
Weakness Type (CWE)
Improper Certificate Validation
CWE-295
EPSS
Base Score:
0.18