SB2026012813 - IBM Db2 Big SQL on Cloud Pak for Data update for Apache Parquet
Published: January 28, 2026
Security Bulletin ID
SB2026012813
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Protection Mechanism Failure (CVE-ID: CVE-2025-46762)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation when parsing Avro schema from a Parquet file metadata. A remote attacker can trick the victim into installing a malicious package and execute arbitrary code on the system.
Note, the default setting of trusted packages still allows malicious classes from these packages to be executed.
Remediation
Install update from vendor's website.