cve-2026-6681

LOW CVSS 1.0 cvelistv5

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.

Timeline

Published: 2026-06-25 20:11 UTC
Last Modified: 2026-06-26

CVSS Details

Attack Vector: ADJACENT
Attack Complexity: LOW
Privileges Required: LOW

Affected Products

wolfSSL wolfSSL

Weaknesses (CWE)

CWE-787 CWE-120

SSVC (CISA Stakeholder-Specific Vulnerability Categorization) CISA Coordinator v2.0.3

Exploitation: none
Automatable: no
Technical Impact: partial
Decision timestamp: 2026-06-26T13:13:59.659791Z

What is SSVC? — CISA's vulnerability-prioritisation framework using a decision tree rather than a single score.

References

Linked Vulnerabilities

No linked vulnerabilities found.

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cve-2026-6681

Raw JSON Data