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CVE PROGRAM SOURCE RECORD1.2 Low

CVE-2026-4159

wc_PKCS7_DecodeEnvelopedData 1 byte out-of-bounds read

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Status
Published
Published
Updated
Assigning organization
wolfSSL

Description

1-byte OOB heap read in wc_PKCS7_DecodeEnvelopedData via zero-length encrypted content. A vulnerability existed in wolfSSL 5.8.4 and earlier, where a 1-byte out-of-bounds heap read in wc_PKCS7_DecodeEnvelopedData could be triggered by a crafted CMS EnvelopedData message with zero-length encrypted content. Note that PKCS7 support is disabled by default.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

wolfSSL wolfSSL

Default version status: unaffected

  • 0 to < 5.9.0affected

References