SB2026012673 - IBM Db2 Big SQL on Cloud Pak for Data update for on-headers
Published: January 26, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Handling of Unexpected Data Type (CVE-ID: CVE-2025-7339)
CWE-ID: CWE-241 - Improper Handling of Unexpected Data Type
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application. A remote attacker can inadvertently modify response headers when an array is passed to `response.writeHead()`
Remediation
Install update from vendor's website.