CVE-2026-6678

Integer underflow in wc_PKCS7_DecryptOri when handling crafted Other Recipient Info, leading to incorrect length handling during decryption.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/wolfSSL/wolfssl/pull/10203	Issue Tracking Patch
https://www.wolfssl.com/docs/security-vulnerabilities/	Vendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2408

Configurations

Configuration 1 (hide)

cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-06-25 21:16

Updated : 2026-07-01 17:16

NVD link : CVE-2026-6678

Mitre link : CVE-2026-6678

CVE.ORG link : CVE-2026-6678

JSON object : View

Products Affected

wolfssl

wolfssl

CWE

CWE-191

Integer Underflow (Wrap or Wraparound)

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