8.7

CVE-2026-3338

Medienbericht

PKCS7_verify Signature Validation Bypass in AWS-LC

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Amazon ≫ Aws-lc-sys SwPlatformrust Version >= 0.24.0 < 0.38.0
Amazon ≫ Aws Libcrypto Version >= 1.41.0 < 1.69.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.78% 0.513
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
ff89ba41-3aa1-4d27-914a-91399e9639e5 8.7 0 0
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
ff89ba41-3aa1-4d27-914a-91399e9639e5 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
0b0ca135-0b70-47e7-9f44-1890c2a1c46c 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CWE-347 Improper Verification of Cryptographic Signature

The product does not verify, or incorrectly verifies, the cryptographic signature for data.

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Media Report
17.03.2026 22:20
https://aws.amazon.com/security/security-bulletins/2026-005-AWS/
Vendor Advisory
https://github.com/aws/aws-lc/releases/tag/v1.69.0
Release Notes
https://github.com/aws/aws-lc/security/advisories/GHSA-jchq-39cv-q4wj
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:5459
https://access.redhat.com/security/cve/CVE-2026-3338
https://bugzilla.redhat.com/show_bug.cgi?id=2444025
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3338.json