CVE-2026-6450 — CRL critical extension bypass in ParseCRL_Extensions

CVE-2026-6450

CRL critical extension bypass in ParseCRL_Extensions PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
wolfSSL / wolfSSL	affected 4.3.0 through 5.9.1

CWE

CWE-295

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.