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.
{
"cna_assigner": "wolfSSL",
"cwe_ids": [
"CWE-125"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6094.json"
}{
"extracted_events": [
{
"introduced": "5.8.0"
},
{
"last_affected": "5.9.1"
},
{
"cpe": "cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.8.0"
},
{
"fixed": "5.9.2"
}
],
"source": "CPE_RANGE"
}
],
"source": "AFFECTED_FIELD"
}