Vulnerability Details CVE-2026-6450
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 3.3%
CVSS Severity
CVSS v3 Score 5.3
References
Products affected by CVE-2026-6450
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cpe:2.3:a:wolfssl:wolfssl:4.3.0
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cpe:2.3:a:wolfssl:wolfssl:4.4.0
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cpe:2.3:a:wolfssl:wolfssl:4.5.0
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cpe:2.3:a:wolfssl:wolfssl:4.6.0
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cpe:2.3:a:wolfssl:wolfssl:4.7.0
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cpe:2.3:a:wolfssl:wolfssl:4.8.0
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cpe:2.3:a:wolfssl:wolfssl:4.8.1
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cpe:2.3:a:wolfssl:wolfssl:5.0.0
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cpe:2.3:a:wolfssl:wolfssl:5.1.0
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cpe:2.3:a:wolfssl:wolfssl:5.1.1
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cpe:2.3:a:wolfssl:wolfssl:5.2.0
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cpe:2.3:a:wolfssl:wolfssl:5.2.1
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cpe:2.3:a:wolfssl:wolfssl:5.3.0
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cpe:2.3:a:wolfssl:wolfssl:5.4.0
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cpe:2.3:a:wolfssl:wolfssl:5.5.0
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cpe:2.3:a:wolfssl:wolfssl:5.5.1
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cpe:2.3:a:wolfssl:wolfssl:5.5.2
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cpe:2.3:a:wolfssl:wolfssl:5.5.3
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cpe:2.3:a:wolfssl:wolfssl:5.5.4
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cpe:2.3:a:wolfssl:wolfssl:5.6.0
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cpe:2.3:a:wolfssl:wolfssl:5.6.2
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cpe:2.3:a:wolfssl:wolfssl:5.6.3
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cpe:2.3:a:wolfssl:wolfssl:5.6.4
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cpe:2.3:a:wolfssl:wolfssl:5.6.6
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cpe:2.3:a:wolfssl:wolfssl:5.7.0
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cpe:2.3:a:wolfssl:wolfssl:5.7.2
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cpe:2.3:a:wolfssl:wolfssl:5.7.4
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cpe:2.3:a:wolfssl:wolfssl:5.7.6
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cpe:2.3:a:wolfssl:wolfssl:5.8.0
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cpe:2.3:a:wolfssl:wolfssl:5.8.2
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cpe:2.3:a:wolfssl:wolfssl:5.8.4