CVE-2022-42965: Exponential ReDoS in snowflake-connector-python leads to denial of service

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-11-09 · updated 2026-06-17
Weakness: CWE-1333

Description

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

Affected products

snowflakedb snowflake-connector-python: before 2.8.2 — fixed in 2.8.2

How to fix

Upgrade to a fixed version: snowflakedb snowflake-connector-python 2.8.2. Check the vendor advisory for mitigations.

References

https://research.jfrog.com/vulnerabilities/snowflake-connector-python-redos-xray-257185/
https://research.jfrog.com/vulnerabilities/snowflake-connector-python-redos-xray-257185/

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