AWS-LC has PKCS7_verify Certificate Chain Validation Bypass

Summary AWS-LC is an open-source, general-purpose cryptographic library. Impact Improper certificate validation in PKCS7verify in AWS-LC allows an unauthenticated user to bypass certificate chain verification when processing PKCS7 objects with multiple signers, except the final signer. Customers ...

CVE-2026-3336

Improper certificate validation in PKCS7verify in AWS-LC allows an unauthenticated user to bypass certificate chain verification when processing PKCS7 objects with multiple signers, except the final signer. Customers of AWS services do not need to take action. Applications using AWS-LC should...

CVE-2026-3336 PKCS7_verify Certificate Chain Validation Bypass in AWS-LC

Improper certificate validation in PKCS7verify in AWS-LC allows an unauthenticated user to bypass certificate chain verification when processing PKCS7 objects with multiple signers, except the final signer. Customers of AWS services do not need to take action. Applications using AWS-LC should...

CVE-2026-3336 PKCS7_verify Certificate Chain Validation Bypass in AWS-LC

Improper certificate validation in PKCS7verify in AWS-LC allows an unauthenticated user to bypass certificate chain verification when processing PKCS7 objects with multiple signers, except the final signer. Customers of AWS services do not need to take action. Applications using AWS-LC should...

EUVD-2026-9264

Improper certificate validation in PKCS7verify in AWS-LC allows an unauthenticated user to bypass certificate chain verification when processing PKCS7 objects with multiple signers, except the final signer. Customers of AWS services do not need to take action. Applications using AWS-LC should...

CVE-2026-3336

This CVE affects AWS-LC: improper certificate validation in PKCS7_verify() can bypass certificate chain verification for PKCS7 objects with multiple signers (excluding the final signer). Impact is high (integrity risk) with network attack potential. AWS customers are not required to act, but appl...

RUSTSEC-2026-0046 PKCS7_verify Certificate Chain Validation Bypass in AWS-LC

Improper certificate validation in PKCS7verify in AWS-LC allows an unauthenticated user to bypass certificate chain verification when processing PKCS7 objects with multiple signers, except the final signer. Customers of AWS services do not need to take action. aws-lc-sys contains code from AWS-LC...

PKCS7_verify Certificate Chain Validation Bypass in AWS-LC

Improper certificate validation in PKCS7verify in AWS-LC allows an unauthenticated user to bypass certificate chain verification when processing PKCS7 objects with multiple signers, except the final signer. Customers of AWS services do not need to take action. aws-lc-sys contains code from AWS-LC...

AWS libcrypto 安全漏洞

AWS libcrypto is a general-purpose encryption library open sourced by Amazon Web Services. Versions of AWS libcrypto prior to 1.69.0 contained security vulnerabilities. These vulnerabilities stemmed from improper certificate verification in the PKCS7verify function. It was possible to bypass the...