{"id":"CVE-2026-3338","aliases":["GHSA-hfpc-8r3f-gw53","GHSA-jchq-39cv-q4wj","RUSTSEC-2026-0047"],"url":"https://o3.security/vulnerability/CVE-2026-3338","summary":"PKCS7_verify Signature Validation Bypass in AWS-LC","details":"Improper signature validation in PKCS7_verify() in AWS-LC allows an unauthenticated user to bypass signature verification when processing PKCS7 objects with Authenticated Attributes.\n\n\n\nCustomers of AWS services do not need to take action. Applications using AWS-LC should upgrade to AWS-LC version 1.69.0.","published":"2026-03-02T21:22:41.954Z","modified":"2026-08-07T21:13:31.383606Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"crates.io","name":"aws-lc-sys","fixedVersion":"0.38.0"}],"fix":null,"references":[{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3338.json"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:5459"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-3338"},{"type":"ADVISORY","url":"https://aws.amazon.com/security/security-bulletins/2026-005-AWS/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3338.json"},{"type":"ADVISORY","url":"https://github.com/aws/aws-lc/security/advisories/GHSA-jchq-39cv-q4wj"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-3338"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2444025"},{"type":"FIX","url":"https://github.com/aws/aws-lc/releases/tag/v1.69.0"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T21:13:31.383606Z"}}