high7.5
CVE-2026-3338
Improper signature validation in PKCS7_verify() in AWS-LC allows an unauthenticated user to bypass signature verification when processing PKCS7 objects with Au…
Impact
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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Amazon | Aws-Lc-Sys | from 0.24.0 before 0.38.0 |
| Amazon | Aws Libcrypto | from 1.41.0 before 1.69.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://aws.amazon.com/security/security-bulletins/2026-005-AWS/
- https://github.com/aws/aws-lc/releases/tag/v1.69.0
- https://github.com/aws/aws-lc/security/advisories/GHSA-jchq-39cv-q4wj
- 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