Medium (4.4). EPSS 0.1% chance of exploitation in the next 30 days.
Snowflake PHP PDO Driver is a driver that uses the PHP Data Objects (PDO) extension to connect to the Snowflake database. Snowflake discovered and remediated a vulnerability in the Snowflake PHP PDO Driver where executing unsupported queries like PUT or GET on stages causes a signed-to-unsigned conversion error that crashes the application using the Driver. This vulnerability affects versions 0.2.0 through 3.0.3. Snowflake fixed the issue in version 3.1.0.
Severity
CVSS 3.1
4.4 medium
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H
EPSS
0.1% chance of exploitation in the next 30 days; higher than 2% of CVEs (scores of 2026-10-31)