Exponential ReDoS in snowflake-connector-python leads to denial of service
Priority HIGH 66CWE-1333Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-1333.
Summary
An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the snowflake-connector-python PyPI package, when an attacker is able to supply arbitrary input to the undocumented get_file_transfer_type method
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00956 61st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed snowflake-connector-python (snowflake-connector-python): 2.8.2snowflake-connector-python (PyPI): 2.8.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| snowflake-connector-python | snowflake-connector-python | before 2.8.2 | 2.8.2 | Patch available | CNA |
| — | snowflake-connector-python (PyPI) | before 2.8.2 | 2.8.2 | Patch available | GHSA-4r6j-fwcx-94cf |
- snowflake-connector-python Vendorsnowflake-connector-python Affected before 2.8.2 Fixed in 2.8.2 Patch available CNA
- snowflake-connector-python (PyPI) Vendor— Affected before 2.8.2 Fixed in 2.8.2 Patch available GHSA-4r6j-fwcx-94cf
Remediation
- Fix · CNA snowflake-connector-python (snowflake-connector-python) Fixed in 2.8.2
- Fix · GHSA-4r6j-fwcx-94cf snowflake-connector-python (PyPI) Fixed in 2.8.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2022-42965
- 2026-10-03 Alias added: GHSA-4r6j-fwcx-94cf
References
Other 5
- https://github.com/snowflakedb/snowflake-connector-python/pull/1327
- https://github.com/snowflakedb/snowflake-connector-python/commit/b9d2fc789fae4db865dde3d2a1bd72c8a9eab091
- https://github.com/snowflakedb/snowflake-connector-python
- https://github.com/snowflakedb/snowflake-connector-python/releases/tag/v2.8.2
- https://research.jfrog.com/vulnerabilities/snowflake-connector-python-redos-xray-257185
More Snowflake Connector vulnerabilities
- TI-2023-17069 Snowflake Python Connector vulnerable to Command Injection CVSS 3.1HIGH 8.8
- TI-2023-17068 Snowflake NodeJS Driver vulnerable to Command Injection CVSS 3.1HIGH 8.8
- TI-2023-17066 Snowflake Connector vulnerable to Command Injection CVSS 3.1HIGH 8.8
- TI-2025-18511 The Snowflake Connector for Python uses insecure deserialization of the OCSP response cache CVSS 3.1HIGH 7.8
- TI-2025-18510 Snowflake Connector for Python has an SQL Injection in write_pandas CVSS 3.1HIGH 7.0
- TI-2023-28309 Snowflake Connector .NET does not properly check the Certificate Revocation List (CRL) CVSS 3.1HIGH 7.5
Sources
- CVE-2022-42965 · CVE Program
- CVE-2022-42965 · NVD
- FIRST EPSS
- GHSA-4r6j-fwcx-94cf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences