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Status published
Medium
CVE-2023-6502
Inefficient Regular Expression Complexity in GitLab
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Thanks `Anonymizer` for reporting this vulnerability through our HackerOne bug bounty program
References
More from GitLab
View All →CVE-2025-9958
Insertion of Sensitive Information Into Sent Data in GitLab
High
7.7
CVE-2025-9957
Incorrect Authorization in GitLab
Low
2.7
CVE-2025-9825
Missing Authorization in GitLab
Medium
5
CVE-2025-9642
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
High
8.7
CVE-2025-9484
Missing Authorization in GitLab
Medium
4.3
Affected Vendor
GitLab
View all reports →Affected Software
GitLab
Vulnerable Versions:
0, 16.11, 17.0
Timeline
Official Publish:
May 23rd, 2024
Last Modified:
October 3rd, 2024
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L