CVE-2023-6736: ReDoS issue in the Codeowners reference extractor

Published Feb 7, 2024
·
Updated

An issue has been discovered in GitLab EE affecting all versions starting from 11.3 before 16.7.6, all versions starting from 16.8 before 16.8.3, all versions starting from 16.9 before 16.9.1. It was possible for an attacker to cause a client-side denial of service using malicious crafted content in the CODEOWNERS file.

Affected Software

4 affected componentsFixes available
GitLab GitLab>=11.3.0<16.7.6
GitLab GitLab>=16.8.0<16.8.3
GitLab GitLab=16.9.0
GitLab GitLab EE>=11.3<16.7.6, >=16.8<16.8.3, >=16.9<16.9.1
16.7.616.8.316.9.1

Remediation

Information

Upgrade to versions 16.9.1, 16.8.3, 16.7.6 or above.

Event History

Feb 7, 2024
CVE Published
via MITRE·10:02 PM
Data Sourced
via MITRE·10:02 PM
RemedyDescriptionSeverityWeakness
Apr 22, 2026
Data Sourced
via GitLab·08:52 AM
DescriptionSeverityAffected Software

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2023-6736?

CVE-2023-6736 is rated as a moderate severity vulnerability due to its potential to cause a client-side denial of service.

2

How do I fix CVE-2023-6736?

To fix CVE-2023-6736, upgrade to GitLab versions 16.7.6, 16.8.3, or 16.9.1 or later.

3

Which versions of GitLab are affected by CVE-2023-6736?

CVE-2023-6736 affects GitLab EE versions from 11.3 before 16.7.6, 16.8 before 16.8.3, and 16.9 before 16.9.1.

4

Is CVE-2023-6736 exploitable remotely?

CVE-2023-6736 can be exploited remotely as it involves client-side interactions.

5

What type of attack does CVE-2023-6736 enable?

CVE-2023-6736 enables an attacker to cause a client-side denial of service using specially crafted requests.

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