CVE-2026-6094

CRITICAL CVSS 9.1 View on NVD ↗

Description

Heap buffer overread in wc_PKCS7_DecodeEnvelopedData when parsing crafted PKCS7 EnvelopedData. This could theoretically be triggered by attacker-supplied data delivered via S/MIME or CMS.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Affected Products

wolfssl/wolfssl

References

https://github.com/wolfSSL/wolfssl/pull/10128
https://www.wolfssl.com/docs/security-vulnerabilities/

Published: Jun 25, 2026 18:16 UTC Modified: Jun 26, 2026 16:51 UTC