Improper input validation in Wolfssl

CVE-2026-5500

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, reducin…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.001 (23.8th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

References