CVE-2023-3909
Inefficient Regular Expression Complexity in GitLab
6.5
MEDIUM
CVSS 3.1
EPSS 0.02%
Description
An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.3 before 16.3.6, all versions starting from 16.4 before 16.4.2, all versions starting from 16.5 before 16.5.1. A Regular Expression Denial of Service was possible by adding a large string in timeout input in gitlab-ci.yml file.
How to fix CVE-2023-3909
To remediate CVE-2023-3909, upgrade the affected package to a fixed version below.
- —upgrade to 16.3.6 or later
Is CVE-2023-3909 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 12.3.0, < 16.3.6, >= 16.4.0, < 16.4.2, >= 16.5.0, < 16.5.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |