Incorrect Calculation of Buffer Size Affecting aws-kms-tls-auth package, versions <0.0.3
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Test your applications- Snyk IDSNYK-RUST-AWSKMSTLSAUTH-15440514
- published8 Mar 2026
- disclosed3 Mar 2026
- creditJoshua Rogers
Introduced: 3 Mar 2026
New CVE NOT AVAILABLE CWE-131 (opens in a new tab)Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade aws-kms-tls-auth to version 0.0.3 or higher.
Overview
Affected versions of this package are vulnerable to Incorrect Calculation of Buffer Size via incorrect interpretation of the length prefix in the PSK extension field during TLS 1.3 handshakes. An attacker can exhaust server resources and cause service disruption by sending repeated specially crafted messages that trigger excessive memory allocation.