Memory leak in IBM DB2 - CVE-2020-4135

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Main Vulnerability Database Vulnerabilities #VU64640

Memory leak in IBM DB2 - CVE-2020-4135

Published: June 24, 2022


Vulnerability identifier: #VU64640
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-4135
CWE-ID: CWE-401
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a DoS attack on the target system.

The vulnerability exists due memory leak. A remote attacker can send specially crafted packets to cause a denial of service from excessive memory usage.


Affected software

IBM DB2
IBM PureData System for Operational Analytics

How to mitigate CVE-2020-4135

Install updates from vendor's website.

IBM DB2 - addressed in versions 9.7.0.11, 10.1.0.6, 10.5.0.10, 11.1.4.6

External References

Related Security Bulletins