CVE-2026-3338: PKCS7_verify Signature Validation Bypass in AWS-LC
Overview
- Severity
- High (CVSS 7.5)
- CVSS Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Mar
- Released
- 2026-03-05
- EPSS Score
- 0.03% (percentile: 8.1%)
Affected Products (3)
Open Source Software
- cbl2 tensorflow 2.11.1-2 on CBL Mariner 2.0
- azl3 tensorflow 2.16.1-11 on Azure Linux 3.0
Mariner
- azl3 grpc 1.62.3-1 on Azure Linux 3.0
Revision History
- 2026-03-05: Information published.