CVE-2023-26021: IBM Db2 denial of service
First published: Mon Apr 24 2023(Updated: )
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.1 and 11.5 is vulnerable to a denial of service as the server may crash when compiling a specially crafted SQL query using a LIMIT clause. IBM X-Force ID: 247864.
Credit: psirt@us.ibm.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| IBM DB2 Universal Database | >=11.1<11.1.4 | |
| IBM DB2 Universal Database | >=11.5<11.5.8 | |
| IBM DB2 Universal Database | =11.1.4 | |
| IBM DB2 Universal Database | =11.1.4-fp1 | |
| IBM DB2 Universal Database | =11.1.4-fp2 | |
| IBM DB2 Universal Database | =11.1.4-fp3 | |
| IBM DB2 Universal Database | =11.1.4-fp4 | |
| IBM DB2 Universal Database | =11.1.4-fp5 | |
| IBM DB2 Universal Database | =11.1.4-fp6 | |
| Linux Kernel | ||
| Microsoft Windows Operating System |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID of this issue?
The vulnerability ID is CVE-2023-26021.
What is the severity of CVE-2023-26021?
The severity of CVE-2023-26021 is high, with a severity value of 7.5.
Which software versions are affected by CVE-2023-26021?
IBM Db2 for Linux, UNIX, and Windows (includes Db2 Connect Server) versions 11.1 and 11.5 are affected.
How can the vulnerability be exploited?
The vulnerability can be exploited by compiling a specially crafted SQL query using a LIMIT clause, which may cause the server to crash.
Where can I find more information about CVE-2023-26021?
You can find more information about CVE-2023-26021 at the following references: [Link 1](https://exchange.xforce.ibmcloud.com/vulnerabilities/247864), [Link 2](https://security.netapp.com/advisory/ntap-20230511-0010/), [Link 3](https://www.ibm.com/support/pages/node/6985681).
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