Vulnerabilities
Vulnerable Software
Ibm:  >> Db2  >> 11.5  Security Vulnerabilities
IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 could allow an authenticated user to send a specially crafted request to write arbitrary files on the system.
CVSS Score
4.3
EPSS Score
0.002
Published
2026-09-10
IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 could allow an attacker with the ability to control or impersonate a DRDA server endpoint to execute arbitrary commands on Db2 clients due to a stack-based buffer overflow that improperly copies user-controlled data into a fixed-size stack buffer without bounds checking.
CVSS Score
7.5
EPSS Score
0.005
Published
2026-09-10
IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to a denial of service where a specific functionality on a Db2 server can be disabled by a privileged user under certain conditions.
CVSS Score
8.1
EPSS Score
0.002
Published
2026-09-10
IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to buffer overflow in the IXF IMPORT parser.
CVSS Score
8.4
EPSS Score
0.002
Published
2026-08-12
IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is affected by an improper authorization vulnerability in the certain command, allowing a non-privileged user to bypass authority checks and modify database catalog data.
CVSS Score
4.3
EPSS Score
0.002
Published
2026-08-12
IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to privilege escalation with a specially crafted query.
CVSS Score
8.2
EPSS Score
0.003
Published
2026-08-12
IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) 11.5.0 through 11.5.9 and 12.1.0 through 12.1.1 is vulnerable to a denial of service as the server may crash under certain conditions with a specially crafted query.
CVSS Score
5.3
EPSS Score
0.003
Published
2025-05-29
IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) 11.5.0 through 11.5.9 and 12.1.0 through 12.1.1 could allow an authenticated user to cause a denial of service when using Q replication due to the improper allocation of CPU resources.
CVSS Score
5.3
EPSS Score
0.004
Published
2025-05-29
IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) 11.1.0 through 11.1.4.7, 11.5.0 through 11.5.9 and 12.1.0 through 12.1.1 is vulnerable to a denial of service as the server may crash under certain conditions with a specially crafted query.
CVSS Score
6.5
EPSS Score
0.004
Published
2025-05-29
IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) 11.5.0 through 11.5.9 and 12.1.0 through 12.1.1 could allow an authenticated user to cause a denial of service when connecting to a z/OS database due to improper handling of automatic client rerouting.
CVSS Score
5.3
EPSS Score
0.004
Published
2025-05-05


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