CVE-2026-3337
aws-lc: AWS-LC: Information disclosure via timing discrepancy in AES-CCM decryption
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · March 3, 2026
Updated · August 18, 2026
Description
A flaw was found in AWS-LC. This vulnerability, a timing discrepancy, allows an unauthenticated attacker to potentially determine the validity of an authentication tag. This information disclosure could be exploited through timing analysis.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 6.5CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N
CWE-208 · Observable Timing Discrepancy