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Medium severity5.3OSV Advisory· Published Jun 25, 2026· Updated Jun 27, 2026

CVE-2026-6450

CVE-2026-6450

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.

Affected products

3
  • WolfSSL/WolfsslOSV3 versions
    v5.9.1-stable, v5.9.0-stable, v5.8.4-stable, …+ 2 more
    • (no CPE)range: v5.9.1-stable, v5.9.0-stable, v5.8.4-stable, …
    • cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*range: >=4.3.0,<5.9.2
    • (no CPE)

Patches

Vulnerability mechanics

References

2

News mentions

0

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