CVE-2023-6502: Inefficient Regular Expression Complexity in GitLab

Published May 22, 2024
·
Updated

A Denial of Service (DoS) condition has been discovered in GitLab CE/EE affecting all versions before 16.10.6, version 16.11 before 16.11.3, and 17.0 before 17.0.1. It is possible for an attacker to cause a denial of service using a crafted wiki page.

Affected Software

7 affected componentsFixes available
GitLab GitLab<16.10.6
GitLab GitLab<16.10.6
GitLab GitLab>=16.11.0<16.11.3
GitLab GitLab>=16.11.0<16.11.3
GitLab GitLab=17.0.0
GitLab GitLab=17.0.0
GitLab GitLab>=16.11<16.11.3, >=17.0<17.0.1
16.11.317.0.1

Remediation

Information

Upgrade to versions 16.10.6, 16.11.3, 17.0.1 or above.

Event History

May 23, 2024
CVE Published
via MITRE·11:02 AM
Data Sourced
via MITRE·11:02 AM
RemedyDescriptionSeverityWeakness
Apr 22, 2026
Data Sourced
via GitLab·08:52 AM
DescriptionSeverityAffected Software

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of CVE-2023-6502?

CVE-2023-6502 is classified as a Denial of Service (DoS) vulnerability.

2

How do I fix CVE-2023-6502?

To fix CVE-2023-6502, upgrade to GitLab version 16.10.6 or later, 16.11.3 or later, or 17.0.1 or later.

3

Which GitLab versions are affected by CVE-2023-6502?

CVE-2023-6502 affects all GitLab versions prior to 16.10.6, 16.11 before 16.11.3, and 17.0 before 17.0.1.

4

Can CVE-2023-6502 be exploited remotely?

Yes, CVE-2023-6502 can be exploited remotely by an attacker using a specially crafted wiki page.

5

What impact does CVE-2023-6502 have on GitLab installations?

CVE-2023-6502 can result in a complete denial of service for GitLab installations.

Contact

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