CVE-2026-6094

Heap buffer overread in wcPKCS7DecodeEnvelopedData when parsing crafted PKCS7 EnvelopedData. This could theoretically be triggered by attacker-supplied data delivered via S/MIME or CMS.

Database specific

{
    "cwe_ids": [
        "CWE-125"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6094.json",
    "cna_assigner": "wolfSSL"
}

References

Affected packages

Git / github.com/wolfssl/wolfssl

Affected ranges

Type

GIT

Repo

https://github.com/wolfssl/wolfssl

Events

Introduced

b077c81eb635392e694ccedbab8b644297ec0285

Fixed

ac01707f552c611fbd135cc723b2682b3e7f80f2

Database specific

{
    "cpe": "cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "5.8.0"
        },
        {
            "last_affected": "5.9.1"
        },
        {
            "fixed": "5.9.2"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "CPE_RANGE"
    ]
}

Affected versions

v5.*

v5.8.0-stable

v5.8.2-stable

v5.8.4-stable

v5.9.0-stable

v5.9.1-stable

Other

wolfEntropy2d

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-6094.json"