CVE-2023-30442: IBM Db2 denial of service

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-07-10 · updated 2026-06-17
Weakness: CWE-20

Description

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.1 and 11.5 federated server is vulnerable to a denial of service as the server may crash when using a specially crafted wrapper using certain options. IBM X-Force ID: 253202.

Affected products

IBM Db2 for Linux, UNIX and Windows: 11.1.4.7, 11.5

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/253202
https://security.netapp.com/advisory/ntap-20230731-0007/
https://www.ibm.com/support/pages/node/7010561
https://exchange.xforce.ibmcloud.com/vulnerabilities/253202
https://security.netapp.com/advisory/ntap-20230731-0007/
https://www.ibm.com/support/pages/node/7010561

Get alerted when CVE-2023-30442 or the next vulnerability affects your stack