CVE-2026-6678 - Vulnerability Details - OpenCVE

ReportizFlow

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

Attack Vector Local

Attack Complexity High

Privileges Required Low

Attack Requirements Present

User Interaction Passive

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Wolfssl	Wolfssl

No data.

No data.

References

Link	Providers
https://github.com/wolfSSL/wolfssl/pull/10203
https://www.wolfssl.com/docs/security-vulnerabilities/

History

Fri, 26 Jun 2026 14:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Fri, 26 Jun 2026 01:30:00 +0000

Type	Values Removed	Values Added
First Time appeared		Wolfssl Wolfssl wolfssl
Vendors & Products		Wolfssl Wolfssl wolfssl

Thu, 25 Jun 2026 21:00:00 +0000

Type	Values Removed	Values Added
Description		Integer underflow in wc_PKCS7_DecryptOri when handling crafted Other Recipient Info, leading to incorrect length handling during decryption.
Title		Integer underflow in wc_PKCS7_DecryptOri handling crafted Other Recipient Info
Weaknesses		CWE-191
References		https://github.com/wolfSSL/wolfssl/pull/10203 https://www.wolfssl.com/docs/security-vulnerabilities/
Metrics		cvssV4_0 `{'score': 1, 'vector': 'CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/U:Clear'}`

MITRE

Status: PUBLISHED

Assigner: wolfSSL

Published: 2026-06-25T20:16:08.416Z

Updated: 2026-06-26T13:12:54.073Z

Reserved: 2026-04-20T14:57:53.610Z

Link: CVE-2026-6678

Vulnrichment

Updated: 2026-06-26T13:12:44.868Z

NVD

No data.

Redhat

No data.

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