CVE-2020-4465: Buffer Overflow

Published Jul 23, 2020
·
Updated

IBM MQ, IBM MQ Appliance, and IBM MQ for HPE NonStop 8.0, 9.1 CD, and 9.1 LTS is vulnerable to a buffer overflow vulnerability due to an error within the channel processing code. A remote attacker could overflow the buffer using an older client and cause a denial of service. IBM X-Force ID: 181562.

Other sources

IBM MQ, IBM MQ Appliance, and IBM MQ for HPE NonStop are vulnerable to a buffer overflow vulnerability due to an error within the channel processing code. A remote attacker could overflow the buffer using an older client and cause a denial of service.

Affected Software

6 affected components
IBM MQ Appliance<=8.0
IBM MQ Appliance<=9.1 LTS
IBM MQ Appliance<=9.1 CD
IBM MQ Appliance>=8.0<8.0.0.15
IBM MQ Appliance>=9.1.0.0<9.1.0.6
IBM MQ Appliance>=9.1.0.0<9.2.0.0

Event History

Jul 23, 2020
CVE Published
via IBM·12:00 AM
Jul 28, 2020
CVE Published
via MITRE·12:05 PM
Data Sourced
via MITRE·12:05 PM
DescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the vulnerability ID for this vulnerability?

The vulnerability ID is CVE-2020-4465.

2

Which IBM products are affected by this vulnerability?

IBM MQ Appliance, IBM MQ for HPE NonStop 8.0, 9.1 CD, and 9.1 LTS are affected by this vulnerability.

3

What is the severity of CVE-2020-4465?

The severity of CVE-2020-4465 is medium, with a CVSS score of 6.5.

4

How can a remote attacker exploit this vulnerability?

A remote attacker could exploit this vulnerability by using an older client to overflow the buffer and cause a denial of service.

5

Are there any known fixes or patches for this vulnerability?

Please refer to the IBM support page at https://www.ibm.com/support/pages/node/6252783 for information on fixes for this vulnerability.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203