VULNERABILITY INTELLIGENCE

CVE-2026-3338

CVSS score7.5 HIGH
EPSS probability0.78%
CISA KEVNot currently listed
Published2026-03-02
Last modified2026-07-15
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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.

Weakness classification

  • ff89ba41-3aa1-4d27-914a-91399e9639e5: CWE-347
  • 0b0ca135-0b70-47e7-9f44-1890c2a1c46c: CWE-347

Primary references