Description

Improper signature validation in PKCS7_verify() in AWS-LC allows an unauthenticated user to bypass signature verification when processing PKCS7 objects with Authenticated Attributes. Customers of AWS services do not need to take action. Applications using AWS-LC should upgrade to AWS-LC version 1.69.0.

INFO

Published Date :

2026-03-02T21:22:41.954Z

Last Modified :

2026-03-03T14:39:48.768Z

Source :

AMZN
AFFECTED PRODUCTS

The following products are affected by CVE-2026-3338 vulnerability.

Vendors Products
Aws
  • Aws-lc
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-3338.

URL Resource
https://aws.amazon.com/security/security-bulletins/2026-005-AWS/ cve-icon cve-icon cve-icon
https://github.com/aws/aws-lc/releases/tag/v1.69.0 cve-icon cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact