CVE-2025-46330 Snowflake Connector for C/C++ retries malformed requests
Malformed requests cause the Snowflake C/C++ connector to retry excessively, hanging the application until the retry limit is reached.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-46330?
CVE-2025-46330 is a low-severity denial of service vulnerability in snowflakedb libsnowflakeclient, published on 29 Apr 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
libsnowflakeclient is the Snowflake Connector for C/C++. Versions starting from 0.5.0 to before 2.2.0, incorrectly treat malformed requests that caused the HTTP response status code 400, as able to be retried. This could hang the application until SF_CON_MAX_RETRY requests were sent. This issue has been patched in version 2.2.0.
Weakness: CWE-573
Which versions are affected by CVE-2025-46330?
It affects 1 product.
Products include Snowflake Connector for C\/C\+\+.
How do I fix CVE-2025-46330?
No fix has been published for CVE-2025-46330 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-46330 being exploited?
There is no known exploitation of CVE-2025-46330 in the wild and no public exploit code.
Other vulnerabilities in snowflakedb libsnowflakeclient
Sources
Also known as GHSA-ch37-53v3-m4cm.