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CVE PROGRAM SOURCE RECORD1.0 Low

CVE-2026-6681

PKCS#7 decode ignores caller output buffer size, writing past buffer bounds

Description

The PKCS#7 decode path ignores the caller-supplied output buffer size (outputSz), allowing decoded content to be written past the bounds of the provided buffer. This affects wolfSSL 5.9.0 and earlier and was fixed in the 5.9.1 release.

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

  • 3.10.0 to ≤ 5.9.0affected

References