CVE-2025-46329: Snowflake Connector for C/C++ inserts client-side encryption key in DEBUG logs
First published: Tue Apr 29 2025(Updated: )
libsnowflakeclient is the Snowflake Connector for C/C++. Versions starting from 0.5.0 to before 2.2.0, are vulnerable to local logging of sensitive information. When the logging level was set to DEBUG, the Connector would log locally the client-side encryption master key of the target stage during the execution of GET/PUT commands. This key by itself does not grant access to any sensitive data without additional access authorizations, and is not logged server-side by Snowflake. This issue has been patched in version 2.2.0.
Credit: security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Snowflake Connector for C/C++ | >=0.5.0<2.2.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-46329?
CVE-2025-46329 has a medium severity due to potential local logging of sensitive encryption keys.
How do I fix CVE-2025-46329?
To mitigate CVE-2025-46329, upgrade the Snowflake Connector for C/C++ to version 2.2.0 or later.
What versions of the Snowflake Connector for C/C++ are affected by CVE-2025-46329?
CVE-2025-46329 affects versions from 0.5.0 to before 2.2.0 of the Snowflake Connector for C/C++.
What kind of information is logged due to CVE-2025-46329?
CVE-2025-46329 logs the client-side encryption master key when the logging level is set to DEBUG.
Is CVE-2025-46329 a remote or local vulnerability?
CVE-2025-46329 is a local vulnerability that affects logging on the client side.
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