CVE-2026-3338 PKCS7_verify Signature Validation Bypass in AWS-LC

Improper signature validation in PKCS7verify 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...

CVE-2026-3338

The vulnerability CVE-2026-3338 arises from improper signature validation in PKCS7_verify() within the AWS-LC library, allowing an unauthenticated user to bypass signature verification when processing PKCS7 objects with Authenticated Attributes. Affected component: AWS-LC. Root cause: flawed sign...

CVE-2026-3337

CVE-2026-3337 documents a timing side-channel in AES-CCM decryption within AWS-LC affecting EVP_aes_128_ccm, EVP_aes_192_ccm, and EVP_aes_256_ccm. An unauthenticated user could potentially determine authentication tag validity via timing analysis. The impact and remediation are described by the a...

CVE-2026-3337 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: EVPaes128ccm, EVPaes192ccm, and EVPaes256ccm. Customers of AWS servic...

RUSTSEC-2026-0043 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: EVPaes128ccm, EVPaes192ccm, and EVPaes256ccm. Customers of AWS servic...

jsonwebtoken-aws-lc (9.3.0), jwts (>=0.5.0, <=0.5.1) +1 more potentially affected by CVE-2026-3337 via aws-lc-sys (>=0.14.1, <=0.21.0)

aws-lc-sys CARGO version =0.14.1, =0.5.0, =0.102.2, =0.102.8 Source cves: CVE-2026-3337 Source advisory: OSV:RUSTSEC-2026-0045...

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...

RUSTSEC-2026-0045 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: EVPaes128ccm, EVPaes192ccm, and EVPaes256ccm. Customers of AWS servic...

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...