Amazon Aws Libcrypto vulnerabilities

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Published CVEs affecting Amazon Aws Libcrypto: 3 record(s), with affected versions and fixes.
cpe:2.3:a:amazon:aws_libcrypto

CVE-2026-3338 High · 7.5 CWE-347 Mar 2, 2026

PKCS7_verify Signature Validation Bypass in AWS-LC

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.

CVE-2026-3337 Medium · 5.9 CWE-208 Mar 2, 2026

Timing Side-Channel in AES-CCM Tag Verification in AWS-LC

Observable timing discrepancy in AES-CCM decryption in AWS-LC allows an unauthenticated user to potentially determine authentication tag validity via timing analysis. The impacted implementations are through the EVP CIPHER API: EVP_aes_128_ccm, EVP_aes_192_ccm, and EVP_aes_256_ccm. Customers of AWS services do not need to take action. Applications using AWS-LC should upgrade to AWS-LC version 1.69.0.

CVE-2026-3336 High · 7.5 CWE-295 Mar 2, 2026

PKCS7_verify Certificate Chain Validation Bypass in AWS-LC

Improper certificate validation in PKCS7_verify() 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 upgrade to AWS-LC version 1.69.0.