CVE-2023-3994

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Source
https://nvd.nist.gov/vuln/detail/CVE-2023-3994
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-3994.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-3994
Aliases
Downstream
Published
2023-08-02T00:06:50.342Z
Modified
2025-12-05T01:09:42.857782Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Inefficient Regular Expression Complexity in GitLab
Details

An issue has been discovered in GitLab CE/EE affecting all versions starting from 9.3 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. A Regular Expression Denial of Service was possible via sending crafted payloads which use ProjectReferenceFilter to the preview_markdown endpoint.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3994.json",
    "cwe_ids": [
        "CWE-1333"
    ],
    "cna_assigner": "GitLab"
}
References

Affected packages

Git / gitlab.com/gitlab-org/gitlab

Affected ranges

Type
GIT
Repo
https://gitlab.com/gitlab-org/gitlab
Events
Introduced
53f18d8326e26304f6df0996c615ca72b6a85e5b
Fixed
b989ef135498a860c86648c76637bb14442da7c5
Database specific 
{
    "versions": [
        {
            "introduced": "9.3"
        },
        {
            "fixed": "16.0.8"
        }
    ]
}
Type
GIT
Repo
https://gitlab.com/gitlab-org/gitlab
Events
Introduced
4961ad113f3afe23965ac12285eaab31315ab0c6
Fixed
6bcf60f9a21c6f86f2f4760b7055919a3d33ce62
Database specific 
{
    "versions": [
        {
            "introduced": "16.1"
        },
        {
            "fixed": "16.1.3"
        }
    ]
}
Type
GIT
Repo
https://gitlab.com/gitlab-org/gitlab
Events
Introduced
3adc0fe6e7c163bedd7faa5f0c4d1e5fbb6bf3c5
Fixed
2e273e251efba974e60d7c2e73df2dc30b89a816
Database specific 
{
    "versions": [
        {
            "introduced": "16.2"
        },
        {
            "fixed": "16.2.2"
        }
    ]
}

Affected versions

Other

11-10-0cfa69752d8-0d9531c80-ee
11-10-0cfa69752d8-74ffd66ae-ee
11-10-119f9509d50-6d7537235-ee

v10.*

v10.1.0.pre
v10.2.0.pre
v10.3.0.pre
v10.4.0.pre
v10.5.0.pre
v10.6.0.pre
v10.7.0.pre
v10.8.0.pre
v10.9.0.pre

v11.*

v11.0.0.pre
v11.1.0.pre
v11.2.0.pre
v11.3.0.pre

v16.*

v16.0.0-ee
v16.0.0-rc42-ee
v16.0.1-ee
v16.0.2-ee
v16.0.3-ee
v16.0.4-ee
v16.0.5-ee
v16.0.6-ee
v16.0.7-ee
v16.1.0-ee
v16.1.1-ee
v16.1.2-ee
v16.2.0-ee
v16.2.1-ee

v6.*

v6.0.0-ee
v6.0.0-ee.beta
v6.0.0-ee.rc1
v6.1.0-ee
v6.2.1
v6.2.2
v6.3.0-ee
v6.3.1-ee
v6.4.0-ee
v6.4.1
v6.4.2
v6.4.3
v6.5.0-ee
v6.5.1
v6.6.0-ee
v6.6.1
v6.6.2
v6.7.0-ee
v6.7.0.rc1-ee
v6.7.1
v6.7.2
v6.8.0-ee
v6.8.1

v7.*

v7.0.0-ee
v7.1.0-ee
v7.1.0.rc1-ee
v7.2.0.rc1-ee
v7.2.0.rc2-ee
v7.2.0.rc3-ee
v7.2.0.rc4-ee
v7.2.0.rc5-ee
v7.3.0-ee
v7.3.0.rc1-ee
v7.4.0-ee
v7.4.1-ee
v7.4.2-ee
v7.4.3-ee
v7.4.4-ee

v8.*

v8.11.0
v8.11.0-ee
v8.11.0-rc1
v8.11.0-rc1-ee
v8.11.0-rc2
v8.11.0-rc2-ee
v8.11.0-rc3
v8.11.0-rc3-ee
v8.11.0-rc4
v8.11.0-rc4-ee
v8.11.0-rc5
v8.11.0-rc5-ee
v8.11.0-rc6
v8.11.0-rc6-ee
v8.11.0-rc7
v8.11.0-rc7-ee
v8.11.1
v8.12.0
v8.12.0-ee
v8.12.0-rc1
v8.12.0-rc1-ee
v8.12.0-rc2
v8.12.0-rc2-ee
v8.12.0-rc3
v8.12.0-rc3-ee
v8.12.0-rc4
v8.12.0-rc4-ee
v8.12.0-rc5
v8.12.0-rc5-ee
v8.12.0-rc6
v8.12.0-rc6-ee
v8.12.0-rc7
v8.12.0-rc7-ee
v8.12.0.pre
v8.12.1
v8.12.1-ee
v8.12.2
v8.12.2-ee
v8.12.3-ee
v8.2.0-ee
v8.2.0.rc1
v8.2.0.rc1-ee
v8.2.0.rc2
v8.2.0.rc2-ee
v8.8.0
v8.8.0-ee
v8.8.0-rc1
v8.8.0-rc1-ee
v8.8.0-rc2
v8.8.0-rc2-ee
v8.8.1-ee

v9.*

v9.3.0.pre
v9.5.0.pre
v9.6.0.pre