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CVE-2026-5500
Published: Apr 10, 2026
Modified: Apr 10, 2026
PUBLISHED
Description
wolfSSL's wc_PKCS7_DecodeAuthEnvelopedData() does not properly sanitize the AES-GCM authentication tag length received and has no lower bounds check. A man-in-the-middle can therefore truncate the mac field from 16 bytes to 1 byte, reducing the tag check from 2⁻¹²⁸ to 2⁻⁸.
| Vendor | Product | Versions |
|---|---|---|
wolfSSL | wolfSSL | affected 0 - <= 5.9.0 |
Weaknesses (CWE)
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