IBM DB2 Merge Backup 12.1.0.0 Buffer Overflow Crash via Incorrect Size Calc
CVE-2025-33124 Published on February 17, 2026
Fixes to common vulnerabilities found in IBM Db2 Merge Backup for Linux, UNIX and Windows
IBM DB2 Merge Backup for Linux, UNIX and Windows 12.1.0.0 could allow an authenticated user to cause the program to crash due to the incorrect calculation of a buffer size.
Vulnerability Analysis
CVE-2025-33124 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
Incorrect Calculation of Buffer Size
The software does not correctly calculate the size to be used when allocating a buffer, which could lead to a buffer overflow.
Products Associated with CVE-2025-33124
Want to know whenever a new CVE is published for IBM Db2 Merge Backup Linux Unix Windows? stack.watch will email you.
Affected Versions
IBM DB2 Merge Backup for Linux, UNIX and Windows:- Version 12.1.0.0, <= 2.1.0 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.