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.
INFO
Published Date :
2026-04-10T03:10:25.671Z
Last Modified :
2026-04-10T13:42:28.091Z
Source :
wolfSSL
AFFECTED PRODUCTS
The following products are affected by CVE-2026-5500 vulnerability.
| Vendors | Products |
|---|---|
| Wolfssl |
|
REFERENCES
Here, you will find a curated list of external links that provide in-depth information to CVE-2026-5500.
| URL | Resource |
|---|---|
| https://github.com/wolfSSL/wolfssl/pull/10102 |
|
CVSS Vulnerability Scoring System
Detailed values of each vector for above chart.
Attack Vector
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Attack Requirements
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SS Confidentiality
SS Integrity
SS Availability