High severity7.5NVD Advisory· Published Mar 2, 2026· Updated Jul 15, 2026
CVE-2026-3338
CVE-2026-3338
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.
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Affected products
4Patches
Vulnerability mechanics
References
7- aws.amazon.com/security/security-bulletins/2026-005-AWS/nvdVendor Advisory
- github.com/aws/aws-lc/security/advisories/GHSA-jchq-39cv-q4wjnvdVendor Advisory
- github.com/aws/aws-lc/releases/tag/v1.69.0nvdRelease Notes
- access.redhat.com/errata/RHSA-2026:5459nvd
- access.redhat.com/security/cve/CVE-2026-3338nvd
- bugzilla.redhat.com/show_bug.cginvd
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3338.jsonnvd
News mentions
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