CVE-2026-6094

CriticalCVSS 9.1/10Last modified Jun 26, 2026

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.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Weakness enumeration

CWE-125

Affected software

Vendor	Product	Versions
wolfSSL	wolfSSL	>= 5.8.0, <= 5.9.1

References

https://github.com/wolfSSL/wolfssl/pull/10128Issue Tracking, Patch
https://www.wolfssl.com/docs/security-vulnerabilities/Vendor Advisory

Timeline

Published: Jun 25, 2026
Last modified: Jun 26, 2026
NVD status: Analyzed

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