{"id":"CVE-2026-4428","aliases":["GHSA-9f94-5g5w-gf6r","RUSTSEC-2026-0042","RUSTSEC-2026-0048"],"url":"https://o3.security/vulnerability/CVE-2026-4428","summary":"CRL Distribution Point Scope Check Logic Error in AWS-LC","details":"A logic error in CRL distribution point validation in AWS-LC before 1.71.0 causes partitioned CRLs to be incorrectly rejected as out of scope, which allows  a revoked certificate to bypass certificate revocation checks.\n\nTo remediate this issue, users should upgrade to AWS-LC 1.71.0 or AWS-LC-FIPS-3.3.0.","published":"2026-03-19T20:37:53.851Z","modified":"2026-08-07T21:13:16.857716Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"crates.io","name":"aws-lc-fips-sys","fixedVersion":"0.13.13"},{"ecosystem":"crates.io","name":"aws-lc-sys","fixedVersion":"0.39.0"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://aws.amazon.com/security/security-bulletins/2026-010-AWS/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4428.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4428"},{"type":"FIX","url":"https://github.com/aws/aws-lc/releases/tag/v1.71.0"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T21:13:16.857716Z"}}