CVE-2026-3337 - Timing Side-Channel in AES-CCM Tag Verification in AWS-LC

CVE-2026-3337 - Timing Side-Channel in AES-CCM Tag Verification in AWS-LC

https://cvefeed.io/rssfeed/latest.atom / Mon, 03/02/2026 - 23:05
CVE ID : CVE-2026-3337
Published : March 2, 2026, 9:20 p.m. | 25 minutes ago
Description : 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.
Severity: 8.2 | HIGH
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