CVE-2026-3337

Fixed in a distro release EPSS 1%CVSS 5.9

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.

Published 2026-03-02 · CVE record · OSV

Products: AWS-LC, AWS-LC-FIPS

Fixed upstream

Distro releases