CVE-2023-0921: Allocation of Resources Without Limits or Throttling in GitLab

Published Jun 6, 2023
·
Updated

A lack of length validation in GitLab CE/EE affecting all versions from 8.3 before 15.10.8, 15.11 before 15.11.7, and 16.0 before 16.0.2 allows an authenticated attacker to create a large Issue description via GraphQL which, when repeatedly requested, saturates CPU usage.

Affected Software

6 affected components
GitLab GitLab>=8.3.0<15.10.8
GitLab GitLab>=8.3.0<15.10.8
GitLab GitLab>=15.11.0<15.11.7
GitLab GitLab>=15.11.0<15.11.7
GitLab GitLab>=16.0.0<16.0.2
GitLab GitLab>=16.0.0<16.0.2

Event History

Jun 6, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is the severity of CVE-2023-0921?

CVE-2023-0921 is a moderate severity vulnerability due to its ability to impact CPU usage.

2

How do I fix CVE-2023-0921?

To fix CVE-2023-0921, upgrade GitLab to version 15.10.8 or later, 15.11.7 or later, or 16.0.2 or later.

3

Who is affected by CVE-2023-0921?

CVE-2023-0921 affects all versions of GitLab CE/EE from 8.3 to prior versions mentioned.

4

What type of attack is associated with CVE-2023-0921?

CVE-2023-0921 allows authenticated attackers to create large issue descriptions via GraphQL.

5

What are the potential impacts of CVE-2023-0921?

The potential impact of CVE-2023-0921 includes excessive CPU usage due to repeated requests for large issue descriptions.

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