Heap buffer overflow in CertFromX509() via AuthorityKeyIdentifier_CVE-2026-5447

6.3 / 10

MEDIUM

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

Description

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.

Basic Information

ID CVE-2026-5447

Source wolfSSL

Published Apr 9, 2026 at 20:13

Modified Apr 10, 2026 at 18:07

Affected Product

Vendor wolfSSL

Product wolfSSL

Affected Versions wolfSSL wolfSSL 0

CWE Classification

CWE-122

References

github.com /wolfSSL/wolfssl/pull/10112

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    "modified": "2026-04-10T18:07:28.848Z",
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