VULNERABILITY INTELLIGENCE

CVE-2026-6681

CVSS score5.3 MEDIUM
EPSS probability0.38%
CISA KEVNot currently listed
Published2026-06-25
Last modified2026-06-27
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

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.

Weakness classification

  • facts@wolfssl.com: CWE-120

Primary references