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Untriaged
Permalink CVE-2026-3337
5.9 MEDIUM
  • CVSS version: 3.1
  • Attack vector (AV): NETWORK
  • Attack complexity (AC): HIGH
  • Privileges required (PR): NONE
  • User interaction (UI): NONE
  • Scope (S): UNCHANGED
  • Confidentiality impact (C): NONE
  • Integrity impact (I): HIGH
  • Availability impact (A): NONE
created 1 month, 2 weeks ago Activity log
  • Created suggestion 1 month, 2 weeks ago
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.

Affected products

AWS-LC
  • <1.69.0
AWS-LC-FIPS
  • <3.2.0

Matching in nixpkgs

pkgs.aws-lc

General-purpose cryptographic library maintained by the AWS Cryptography team for AWS and their customers

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