What’s Vulnerable › Vulnerabilities

CVE-2023-30447: 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) 10.5, 11.1, and 11.5 is vulnerable to denial of service with a specially crafted query on certain tables. IBM X-Force ID: 253436.

Affected products

• IBM Db2 for Linux, UNIX and Windows: 10.5.0.11, 11.1.4.7, 11.5

References

• https://exchange.xforce.ibmcloud.com/vulnerabilities/253436
• https://security.netapp.com/advisory/ntap-20230731-0007/
• https://www.ibm.com/support/pages/node/7010557
• https://exchange.xforce.ibmcloud.com/vulnerabilities/253436
• https://security.netapp.com/advisory/ntap-20230731-0007/
• https://www.ibm.com/support/pages/node/7010557

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