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CVE-2026-3338

nvd nist
Published: Mar 2, 2026Modified: Mar 11, 2026

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8.7
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow less
Source: ff89ba41-3aa1-4d27-914a-91399e9639e5 (Secondary)

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.

Affected (2)

Amazon
2 products
Aws Lc Sys
Aws Libcrypto
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Aws Lc Sys
From 0.24.0 to 0.38.0
Aws Libcrypto
From 1.41.0 to 1.69.0

Related CWEs

CWE-347
Improper Verification of Cryptographic Signature
The product does not verify, or incorrectly verifies, the cryptographic signature for data.

References (3)

Source: ff89ba41-3aa1-4d27-914a-91399e9639e5
Vendor Advisory
Source: ff89ba41-3aa1-4d27-914a-91399e9639e5
Release Notes
Source: ff89ba41-3aa1-4d27-914a-91399e9639e5
Vendor Advisory

Timeline

No history available yet.