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CVE-2026-5447

Heap buffer overflow in CertFromX509() via AuthorityKeyIdentifier

CVSS 6.3 MEDIUMEPSS 0.2%CWE-122
Heap buffer overflow in CertFromX509 via AuthorityKeyIdentifier size confusion. A heap buffer overflow occurs when converting an X.509 certificate internally due to incorrect size handling of the AuthorityKeyIdentifier extension.
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Affected products
wolfSSL · wolfSSL

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References
https://github.com/wolfSSL/wolfssl/pull/10112